Home / 39,761.45-59,642.19-18,686.02

Finding the Fourth Proportional to 39,761.45, 59,642.19 and 18,686.02

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Solution

The fourth proportional to 39,761.45, 59,642.19 and 18,686.02 is: 28,029.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,761.45 : 59,642.19 = 18,686.02 : x
  2. Step 2: Convert to fraction form
    39,761.45/59,642.19 = 18,686.02/x
  3. Step 3: Cross multiply
    39,761.45x = 59,642.19 × 18,686.02
  4. Step 4: Simplify right side
    39,761.45x = 1,114,475,061.75
  5. Step 5: Solve for x
    x = 1,114,475,061.75/39,761.45
  6. Step 6: Final answer
    x = 28,029.04

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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.