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Finding the Fourth Proportional to 59,471.55, 82,027.89 and 38,230.52

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Solution

The fourth proportional to 59,471.55, 82,027.89 and 38,230.52 is: 52,730.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,471.55 : 82,027.89 = 38,230.52 : x
  2. Step 2: Convert to fraction form
    59,471.55/82,027.89 = 38,230.52/x
  3. Step 3: Cross multiply
    59,471.55x = 82,027.89 × 38,230.52
  4. Step 4: Simplify right side
    59,471.55x = 3,135,968,479.06
  5. Step 5: Solve for x
    x = 3,135,968,479.06/59,471.55
  6. Step 6: Final answer
    x = 52,730.57

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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.