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Finding the Fourth Proportional to 59,382.82, 89,084.04 and 28,207.54

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Solution

The fourth proportional to 59,382.82, 89,084.04 and 28,207.54 is: 42,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,382.82 : 89,084.04 = 28,207.54 : x
  2. Step 2: Convert to fraction form
    59,382.82/89,084.04 = 28,207.54/x
  3. Step 3: Cross multiply
    59,382.82x = 89,084.04 × 28,207.54
  4. Step 4: Simplify right side
    59,382.82x = 2,512,841,621.66
  5. Step 5: Solve for x
    x = 2,512,841,621.66/59,382.82
  6. Step 6: Final answer
    x = 42,315.97

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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.