Home / 31,871.13-47,806.89-11,094.63

Finding the Fourth Proportional to 31,871.13, 47,806.89 and 11,094.63

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Solution

The fourth proportional to 31,871.13, 47,806.89 and 11,094.63 is: 16,642.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,871.13 : 47,806.89 = 11,094.63 : x
  2. Step 2: Convert to fraction form
    31,871.13/47,806.89 = 11,094.63/x
  3. Step 3: Cross multiply
    31,871.13x = 47,806.89 × 11,094.63
  4. Step 4: Simplify right side
    31,871.13x = 530,399,756.00
  5. Step 5: Solve for x
    x = 530,399,756.00/31,871.13
  6. Step 6: Final answer
    x = 16,642.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.