Home / 39,862.38-59,803.82-11,781.30

Finding the Fourth Proportional to 39,862.38, 59,803.82 and 11,781.30

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Solution

The fourth proportional to 39,862.38, 59,803.82 and 11,781.30 is: 17,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,862.38 : 59,803.82 = 11,781.30 : x
  2. Step 2: Convert to fraction form
    39,862.38/59,803.82 = 11,781.30/x
  3. Step 3: Cross multiply
    39,862.38x = 59,803.82 × 11,781.30
  4. Step 4: Simplify right side
    39,862.38x = 704,566,744.57
  5. Step 5: Solve for x
    x = 704,566,744.57/39,862.38
  6. Step 6: Final answer
    x = 17,674.98

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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.