Home / 56,246.97-77,684.64-38,310.87

Finding the Fourth Proportional to 56,246.97, 77,684.64 and 38,310.87

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Solution

The fourth proportional to 56,246.97, 77,684.64 and 38,310.87 is: 52,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,246.97 : 77,684.64 = 38,310.87 : x
  2. Step 2: Convert to fraction form
    56,246.97/77,684.64 = 38,310.87/x
  3. Step 3: Cross multiply
    56,246.97x = 77,684.64 × 38,310.87
  4. Step 4: Simplify right side
    56,246.97x = 2,976,166,144.04
  5. Step 5: Solve for x
    x = 2,976,166,144.04/56,246.97
  6. Step 6: Final answer
    x = 52,912.47

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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.