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Finding the Fourth Proportional to 64,582.55, 96,871.12 and 22,472.15

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Solution

The fourth proportional to 64,582.55, 96,871.12 and 22,472.15 is: 33,707.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,582.55 : 96,871.12 = 22,472.15 : x
  2. Step 2: Convert to fraction form
    64,582.55/96,871.12 = 22,472.15/x
  3. Step 3: Cross multiply
    64,582.55x = 96,871.12 × 22,472.15
  4. Step 4: Simplify right side
    64,582.55x = 2,176,902,339.31
  5. Step 5: Solve for x
    x = 2,176,902,339.31/64,582.55
  6. Step 6: Final answer
    x = 33,707.28

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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.