Home / 57,232.78-85,861.45-19,285.80

Finding the Fourth Proportional to 57,232.78, 85,861.45 and 19,285.80

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Solution

The fourth proportional to 57,232.78, 85,861.45 and 19,285.80 is: 28,932.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,232.78 : 85,861.45 = 19,285.80 : x
  2. Step 2: Convert to fraction form
    57,232.78/85,861.45 = 19,285.80/x
  3. Step 3: Cross multiply
    57,232.78x = 85,861.45 × 19,285.80
  4. Step 4: Simplify right side
    57,232.78x = 1,655,906,454.54
  5. Step 5: Solve for x
    x = 1,655,906,454.54/57,232.78
  6. Step 6: Final answer
    x = 28,932.83

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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.