Home / 49,689.60-74,534.40-16,414.80

Finding the Fourth Proportional to 49,689.60, 74,534.40 and 16,414.80

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Solution

The fourth proportional to 49,689.60, 74,534.40 and 16,414.80 is: 24,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,689.60 : 74,534.40 = 16,414.80 : x
  2. Step 2: Convert to fraction form
    49,689.60/74,534.40 = 16,414.80/x
  3. Step 3: Cross multiply
    49,689.60x = 74,534.40 × 16,414.80
  4. Step 4: Simplify right side
    49,689.60x = 1,223,467,269.12
  5. Step 5: Solve for x
    x = 1,223,467,269.12/49,689.60
  6. Step 6: Final answer
    x = 24,622.20

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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.