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Finding the Fourth Proportional to 56,000.73, 84,034.17 and 20,458.89

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Solution

The fourth proportional to 56,000.73, 84,034.17 and 20,458.89 is: 30,700.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.73 : 84,034.17 = 20,458.89 : x
  2. Step 2: Convert to fraction form
    56,000.73/84,034.17 = 20,458.89/x
  3. Step 3: Cross multiply
    56,000.73x = 84,034.17 × 20,458.89
  4. Step 4: Simplify right side
    56,000.73x = 1,719,245,840.27
  5. Step 5: Solve for x
    x = 1,719,245,840.27/56,000.73
  6. Step 6: Final answer
    x = 30,700.42

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1.5x scale

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.