Home / 56,318.90-84,519.65-28,231.13

Finding the Fourth Proportional to 56,318.90, 84,519.65 and 28,231.13

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Solution

The fourth proportional to 56,318.90, 84,519.65 and 28,231.13 is: 42,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,318.90 : 84,519.65 = 28,231.13 : x
  2. Step 2: Convert to fraction form
    56,318.90/84,519.65 = 28,231.13/x
  3. Step 3: Cross multiply
    56,318.90x = 84,519.65 × 28,231.13
  4. Step 4: Simplify right side
    56,318.90x = 2,386,085,508.58
  5. Step 5: Solve for x
    x = 2,386,085,508.58/56,318.90
  6. Step 6: Final answer
    x = 42,367.41

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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.