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Finding the Fourth Proportional to 59,572.72, 82,228.80 and 38,352

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Solution

The fourth proportional to 59,572.72, 82,228.80 and 38,352 is: 52,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,572.72 : 82,228.80 = 38,352 : x
  2. Step 2: Convert to fraction form
    59,572.72/82,228.80 = 38,352/x
  3. Step 3: Cross multiply
    59,572.72x = 82,228.80 × 38,352
  4. Step 4: Simplify right side
    59,572.72x = 3,153,638,937.60
  5. Step 5: Solve for x
    x = 3,153,638,937.60/59,572.72
  6. Step 6: Final answer
    x = 52,937.64

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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.