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Finding the Fourth Proportional to 59,012.44, 81,437.24 and 35,139.92

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Solution

The fourth proportional to 59,012.44, 81,437.24 and 35,139.92 is: 48,493.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,012.44 : 81,437.24 = 35,139.92 : x
  2. Step 2: Convert to fraction form
    59,012.44/81,437.24 = 35,139.92/x
  3. Step 3: Cross multiply
    59,012.44x = 81,437.24 × 35,139.92
  4. Step 4: Simplify right side
    59,012.44x = 2,861,698,098.62
  5. Step 5: Solve for x
    x = 2,861,698,098.62/59,012.44
  6. Step 6: Final answer
    x = 48,493.13

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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.