Home / 39,739.53-59,572.23-13,425.87

Finding the Fourth Proportional to 39,739.53, 59,572.23 and 13,425.87

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Solution

The fourth proportional to 39,739.53, 59,572.23 and 13,425.87 is: 20,126.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,739.53 : 59,572.23 = 13,425.87 : x
  2. Step 2: Convert to fraction form
    39,739.53/59,572.23 = 13,425.87/x
  3. Step 3: Cross multiply
    39,739.53x = 59,572.23 × 13,425.87
  4. Step 4: Simplify right side
    39,739.53x = 799,808,717.73
  5. Step 5: Solve for x
    x = 799,808,717.73/39,739.53
  6. Step 6: Final answer
    x = 20,126.28

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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.