Home / 39,939.42-59,890.05-13,637.10

Finding the Fourth Proportional to 39,939.42, 59,890.05 and 13,637.10

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Solution

The fourth proportional to 39,939.42, 59,890.05 and 13,637.10 is: 20,449.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,939.42 : 59,890.05 = 13,637.10 : x
  2. Step 2: Convert to fraction form
    39,939.42/59,890.05 = 13,637.10/x
  3. Step 3: Cross multiply
    39,939.42x = 59,890.05 × 13,637.10
  4. Step 4: Simplify right side
    39,939.42x = 816,726,600.86
  5. Step 5: Solve for x
    x = 816,726,600.86/39,939.42
  6. Step 6: Final answer
    x = 20,449.14

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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.