Home / 39,761.31-59,641.35-10,178.91

Finding the Fourth Proportional to 39,761.31, 59,641.35 and 10,178.91

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Solution

The fourth proportional to 39,761.31, 59,641.35 and 10,178.91 is: 15,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.31 : 59,641.35 = 10,178.91 : x
  2. Step 2: Convert to fraction form
    39,761.31/59,641.35 = 10,178.91/x
  3. Step 3: Cross multiply
    39,761.31x = 59,641.35 × 10,178.91
  4. Step 4: Simplify right side
    39,761.31x = 607,083,933.93
  5. Step 5: Solve for x
    x = 607,083,933.93/39,761.31
  6. Step 6: Final answer
    x = 15,268.21

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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.