Home / 56,437.92-77,887.44-31,286.88

Finding the Fourth Proportional to 56,437.92, 77,887.44 and 31,286.88

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Solution

The fourth proportional to 56,437.92, 77,887.44 and 31,286.88 is: 43,177.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,437.92 : 77,887.44 = 31,286.88 : x
  2. Step 2: Convert to fraction form
    56,437.92/77,887.44 = 31,286.88/x
  3. Step 3: Cross multiply
    56,437.92x = 77,887.44 × 31,286.88
  4. Step 4: Simplify right side
    56,437.92x = 2,436,854,988.79
  5. Step 5: Solve for x
    x = 2,436,854,988.79/56,437.92
  6. Step 6: Final answer
    x = 43,177.62

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1.5x scale

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.