Home / 56,922.14-85,387.30-21,861.79

Finding the Fourth Proportional to 56,922.14, 85,387.30 and 21,861.79

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Solution

The fourth proportional to 56,922.14, 85,387.30 and 21,861.79 is: 32,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,922.14 : 85,387.30 = 21,861.79 : x
  2. Step 2: Convert to fraction form
    56,922.14/85,387.30 = 21,861.79/x
  3. Step 3: Cross multiply
    56,922.14x = 85,387.30 × 21,861.79
  4. Step 4: Simplify right side
    56,922.14x = 1,866,719,221.27
  5. Step 5: Solve for x
    x = 1,866,719,221.27/56,922.14
  6. Step 6: Final answer
    x = 32,794.26

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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.