Home / 48,781.32-73,148.90-22,478.28

Finding the Fourth Proportional to 48,781.32, 73,148.90 and 22,478.28

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Solution

The fourth proportional to 48,781.32, 73,148.90 and 22,478.28 is: 33,706.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,781.32 : 73,148.90 = 22,478.28 : x
  2. Step 2: Convert to fraction form
    48,781.32/73,148.90 = 22,478.28/x
  3. Step 3: Cross multiply
    48,781.32x = 73,148.90 × 22,478.28
  4. Step 4: Simplify right side
    48,781.32x = 1,644,261,455.89
  5. Step 5: Solve for x
    x = 1,644,261,455.89/48,781.32
  6. Step 6: Final answer
    x = 33,706.78

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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.