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Finding the Fourth Proportional to 49,400.60, 74,100.90 and 32,869.40

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Solution

The fourth proportional to 49,400.60, 74,100.90 and 32,869.40 is: 49,304.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,400.60 : 74,100.90 = 32,869.40 : x
  2. Step 2: Convert to fraction form
    49,400.60/74,100.90 = 32,869.40/x
  3. Step 3: Cross multiply
    49,400.60x = 74,100.90 × 32,869.40
  4. Step 4: Simplify right side
    49,400.60x = 2,435,652,122.46
  5. Step 5: Solve for x
    x = 2,435,652,122.46/49,400.60
  6. Step 6: Final answer
    x = 49,304.10

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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.