Home / 39,872.04-59,845.12-20,164.74

Finding the Fourth Proportional to 39,872.04, 59,845.12 and 20,164.74

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Solution

The fourth proportional to 39,872.04, 59,845.12 and 20,164.74 is: 30,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,872.04 : 59,845.12 = 20,164.74 : x
  2. Step 2: Convert to fraction form
    39,872.04/59,845.12 = 20,164.74/x
  3. Step 3: Cross multiply
    39,872.04x = 59,845.12 × 20,164.74
  4. Step 4: Simplify right side
    39,872.04x = 1,206,761,285.07
  5. Step 5: Solve for x
    x = 1,206,761,285.07/39,872.04
  6. Step 6: Final answer
    x = 30,265.85

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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.