Home / 42,001.90-62,916.45-28,869.10

Finding the Fourth Proportional to 42,001.90, 62,916.45 and 28,869.10

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Solution

The fourth proportional to 42,001.90, 62,916.45 and 28,869.10 is: 43,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,001.90 : 62,916.45 = 28,869.10 : x
  2. Step 2: Convert to fraction form
    42,001.90/62,916.45 = 28,869.10/x
  3. Step 3: Cross multiply
    42,001.90x = 62,916.45 × 28,869.10
  4. Step 4: Simplify right side
    42,001.90x = 1,816,341,286.70
  5. Step 5: Solve for x
    x = 1,816,341,286.70/42,001.90
  6. Step 6: Final answer
    x = 43,244.26

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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.