Home / 31,549.50-43,510.86-27,299.19

Finding the Fourth Proportional to 31,549.50, 43,510.86 and 27,299.19

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Solution

The fourth proportional to 31,549.50, 43,510.86 and 27,299.19 is: 37,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.50 : 43,510.86 = 27,299.19 : x
  2. Step 2: Convert to fraction form
    31,549.50/43,510.86 = 27,299.19/x
  3. Step 3: Cross multiply
    31,549.50x = 43,510.86 × 27,299.19
  4. Step 4: Simplify right side
    31,549.50x = 1,187,811,234.20
  5. Step 5: Solve for x
    x = 1,187,811,234.20/31,549.50
  6. Step 6: Final answer
    x = 37,649.13

Related Problems

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Half scale
Find fourth proportional to 63,099, 87,021.72 and 54,598.38
Double scale
Find fourth proportional to 31,550.50, 43,512.24 and 27,300.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.