Home / 43,471.38-64,620.87-42,194.28

Finding the Fourth Proportional to 43,471.38, 64,620.87 and 42,194.28

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Solution

The fourth proportional to 43,471.38, 64,620.87 and 42,194.28 is: 62,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,471.38 : 64,620.87 = 42,194.28 : x
  2. Step 2: Convert to fraction form
    43,471.38/64,620.87 = 42,194.28/x
  3. Step 3: Cross multiply
    43,471.38x = 64,620.87 × 42,194.28
  4. Step 4: Simplify right side
    43,471.38x = 2,726,631,082.62
  5. Step 5: Solve for x
    x = 2,726,631,082.62/43,471.38
  6. Step 6: Final answer
    x = 62,722.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.