Home / 34,874.58-48,127.20-20,724.66

Finding the Fourth Proportional to 34,874.58, 48,127.20 and 20,724.66

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Solution

The fourth proportional to 34,874.58, 48,127.20 and 20,724.66 is: 28,600.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874.58 : 48,127.20 = 20,724.66 : x
  2. Step 2: Convert to fraction form
    34,874.58/48,127.20 = 20,724.66/x
  3. Step 3: Cross multiply
    34,874.58x = 48,127.20 × 20,724.66
  4. Step 4: Simplify right side
    34,874.58x = 997,419,856.75
  5. Step 5: Solve for x
    x = 997,419,856.75/34,874.58
  6. Step 6: Final answer
    x = 28,600.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.