Home / 42,654.15-63,981.22-22,905.54

Finding the Fourth Proportional to 42,654.15, 63,981.22 and 22,905.54

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Solution

The fourth proportional to 42,654.15, 63,981.22 and 22,905.54 is: 34,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,654.15 : 63,981.22 = 22,905.54 : x
  2. Step 2: Convert to fraction form
    42,654.15/63,981.22 = 22,905.54/x
  3. Step 3: Cross multiply
    42,654.15x = 63,981.22 × 22,905.54
  4. Step 4: Simplify right side
    42,654.15x = 1,465,524,336.69
  5. Step 5: Solve for x
    x = 1,465,524,336.69/42,654.15
  6. Step 6: Final answer
    x = 34,358.31

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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.