Home / 56,425.92-77,867.52-31,275.36

Finding the Fourth Proportional to 56,425.92, 77,867.52 and 31,275.36

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Solution

The fourth proportional to 56,425.92, 77,867.52 and 31,275.36 is: 43,159.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,425.92 : 77,867.52 = 31,275.36 : x
  2. Step 2: Convert to fraction form
    56,425.92/77,867.52 = 31,275.36/x
  3. Step 3: Cross multiply
    56,425.92x = 77,867.52 × 31,275.36
  4. Step 4: Simplify right side
    56,425.92x = 2,435,334,720.31
  5. Step 5: Solve for x
    x = 2,435,334,720.31/56,425.92
  6. Step 6: Final answer
    x = 43,159.86

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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.