Home / 36,985.99-51,040.67-19,990.19

Finding the Fourth Proportional to 36,985.99, 51,040.67 and 19,990.19

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Solution

The fourth proportional to 36,985.99, 51,040.67 and 19,990.19 is: 27,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,985.99 : 51,040.67 = 19,990.19 : x
  2. Step 2: Convert to fraction form
    36,985.99/51,040.67 = 19,990.19/x
  3. Step 3: Cross multiply
    36,985.99x = 51,040.67 × 19,990.19
  4. Step 4: Simplify right side
    36,985.99x = 1,020,312,691.03
  5. Step 5: Solve for x
    x = 1,020,312,691.03/36,985.99
  6. Step 6: Final answer
    x = 27,586.46

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Double scale
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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.