Home / 42,006.68-63,010.14-28,819.08

Finding the Fourth Proportional to 42,006.68, 63,010.14 and 28,819.08

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Solution

The fourth proportional to 42,006.68, 63,010.14 and 28,819.08 is: 43,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,006.68 : 63,010.14 = 28,819.08 : x
  2. Step 2: Convert to fraction form
    42,006.68/63,010.14 = 28,819.08/x
  3. Step 3: Cross multiply
    42,006.68x = 63,010.14 × 28,819.08
  4. Step 4: Simplify right side
    42,006.68x = 1,815,894,265.47
  5. Step 5: Solve for x
    x = 1,815,894,265.47/42,006.68
  6. Step 6: Final answer
    x = 43,228.70

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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.