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Finding the Fourth Proportional to 56,488.42, 84,599 and 49,052.48

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Solution

The fourth proportional to 56,488.42, 84,599 and 49,052.48 is: 73,462.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,488.42 : 84,599 = 49,052.48 : x
  2. Step 2: Convert to fraction form
    56,488.42/84,599 = 49,052.48/x
  3. Step 3: Cross multiply
    56,488.42x = 84,599 × 49,052.48
  4. Step 4: Simplify right side
    56,488.42x = 4,149,790,755.52
  5. Step 5: Solve for x
    x = 4,149,790,755.52/56,488.42
  6. Step 6: Final answer
    x = 73,462.68

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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.