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Finding the Fourth Proportional to 56,602.52, 84,787.10 and 33,157.88

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Solution

The fourth proportional to 56,602.52, 84,787.10 and 33,157.88 is: 49,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,602.52 : 84,787.10 = 33,157.88 : x
  2. Step 2: Convert to fraction form
    56,602.52/84,787.10 = 33,157.88/x
  3. Step 3: Cross multiply
    56,602.52x = 84,787.10 × 33,157.88
  4. Step 4: Simplify right side
    56,602.52x = 2,811,360,487.35
  5. Step 5: Solve for x
    x = 2,811,360,487.35/56,602.52
  6. Step 6: Final answer
    x = 49,668.47

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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.