Home / 49,856.10-74,732.85-21,770.90

Finding the Fourth Proportional to 49,856.10, 74,732.85 and 21,770.90

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Solution

The fourth proportional to 49,856.10, 74,732.85 and 21,770.90 is: 32,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,856.10 : 74,732.85 = 21,770.90 : x
  2. Step 2: Convert to fraction form
    49,856.10/74,732.85 = 21,770.90/x
  3. Step 3: Cross multiply
    49,856.10x = 74,732.85 × 21,770.90
  4. Step 4: Simplify right side
    49,856.10x = 1,627,001,731.02
  5. Step 5: Solve for x
    x = 1,627,001,731.02/49,856.10
  6. Step 6: Final answer
    x = 32,633.95

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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.