Home / 44,789.01-67,138.14-28,160.79

Finding the Fourth Proportional to 44,789.01, 67,138.14 and 28,160.79

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Solution

The fourth proportional to 44,789.01, 67,138.14 and 28,160.79 is: 42,212.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,789.01 : 67,138.14 = 28,160.79 : x
  2. Step 2: Convert to fraction form
    44,789.01/67,138.14 = 28,160.79/x
  3. Step 3: Cross multiply
    44,789.01x = 67,138.14 × 28,160.79
  4. Step 4: Simplify right side
    44,789.01x = 1,890,663,061.53
  5. Step 5: Solve for x
    x = 1,890,663,061.53/44,789.01
  6. Step 6: Final answer
    x = 42,212.66

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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.