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Finding the Fourth Proportional to 64,224.56, 96,341.20 and 24,782

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Solution

The fourth proportional to 64,224.56, 96,341.20 and 24,782 is: 37,174.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,224.56 : 96,341.20 = 24,782 : x
  2. Step 2: Convert to fraction form
    64,224.56/96,341.20 = 24,782/x
  3. Step 3: Cross multiply
    64,224.56x = 96,341.20 × 24,782
  4. Step 4: Simplify right side
    64,224.56x = 2,387,527,618.40
  5. Step 5: Solve for x
    x = 2,387,527,618.40/64,224.56
  6. Step 6: Final answer
    x = 37,174.68

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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.