Home / 49,656.60-74,436.30-20,034.90

Finding the Fourth Proportional to 49,656.60, 74,436.30 and 20,034.90

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Solution

The fourth proportional to 49,656.60, 74,436.30 and 20,034.90 is: 30,032.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,656.60 : 74,436.30 = 20,034.90 : x
  2. Step 2: Convert to fraction form
    49,656.60/74,436.30 = 20,034.90/x
  3. Step 3: Cross multiply
    49,656.60x = 74,436.30 × 20,034.90
  4. Step 4: Simplify right side
    49,656.60x = 1,491,323,826.87
  5. Step 5: Solve for x
    x = 1,491,323,826.87/49,656.60
  6. Step 6: Final answer
    x = 30,032.74

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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.