Home / 67,437.56-101,158.20-20,690.44

Finding the Fourth Proportional to 67,437.56, 101,158.20 and 20,690.44

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Solution

The fourth proportional to 67,437.56, 101,158.20 and 20,690.44 is: 31,036.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,437.56 : 101,158.20 = 20,690.44 : x
  2. Step 2: Convert to fraction form
    67,437.56/101,158.20 = 20,690.44/x
  3. Step 3: Cross multiply
    67,437.56x = 101,158.20 × 20,690.44
  4. Step 4: Simplify right side
    67,437.56x = 2,093,007,414.71
  5. Step 5: Solve for x
    x = 2,093,007,414.71/67,437.56
  6. Step 6: Final answer
    x = 31,036.23

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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.