Home / 40,939.38-61,052.96-36,403.62

Finding the Fourth Proportional to 40,939.38, 61,052.96 and 36,403.62

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Solution

The fourth proportional to 40,939.38, 61,052.96 and 36,403.62 is: 54,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,939.38 : 61,052.96 = 36,403.62 : x
  2. Step 2: Convert to fraction form
    40,939.38/61,052.96 = 36,403.62/x
  3. Step 3: Cross multiply
    40,939.38x = 61,052.96 × 36,403.62
  4. Step 4: Simplify right side
    40,939.38x = 2,222,548,573.70
  5. Step 5: Solve for x
    x = 2,222,548,573.70/40,939.38
  6. Step 6: Final answer
    x = 54,288.77

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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.