Home / 56,824.52-85,177.64-31,827.92

Finding the Fourth Proportional to 56,824.52, 85,177.64 and 31,827.92

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Solution

The fourth proportional to 56,824.52, 85,177.64 and 31,827.92 is: 47,708.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,824.52 : 85,177.64 = 31,827.92 : x
  2. Step 2: Convert to fraction form
    56,824.52/85,177.64 = 31,827.92/x
  3. Step 3: Cross multiply
    56,824.52x = 85,177.64 × 31,827.92
  4. Step 4: Simplify right side
    56,824.52x = 2,711,027,111.71
  5. Step 5: Solve for x
    x = 2,711,027,111.71/56,824.52
  6. Step 6: Final answer
    x = 47,708.76

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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.