Home / 35,343.28-48,753.39-21,187.90

Finding the Fourth Proportional to 35,343.28, 48,753.39 and 21,187.90

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Solution

The fourth proportional to 35,343.28, 48,753.39 and 21,187.90 is: 29,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,343.28 : 48,753.39 = 21,187.90 : x
  2. Step 2: Convert to fraction form
    35,343.28/48,753.39 = 21,187.90/x
  3. Step 3: Cross multiply
    35,343.28x = 48,753.39 × 21,187.90
  4. Step 4: Simplify right side
    35,343.28x = 1,032,981,951.98
  5. Step 5: Solve for x
    x = 1,032,981,951.98/35,343.28
  6. Step 6: Final answer
    x = 29,227.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.