Home / 56,328.40-84,519.33-28,250.97

Finding the Fourth Proportional to 56,328.40, 84,519.33 and 28,250.97

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Solution

The fourth proportional to 56,328.40, 84,519.33 and 28,250.97 is: 42,389.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,328.40 : 84,519.33 = 28,250.97 : x
  2. Step 2: Convert to fraction form
    56,328.40/84,519.33 = 28,250.97/x
  3. Step 3: Cross multiply
    56,328.40x = 84,519.33 × 28,250.97
  4. Step 4: Simplify right side
    56,328.40x = 2,387,753,056.25
  5. Step 5: Solve for x
    x = 2,387,753,056.25/56,328.40
  6. Step 6: Final answer
    x = 42,389.86

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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.