Home / 43,152.60-64,753.92-18,190.74

Finding the Fourth Proportional to 43,152.60, 64,753.92 and 18,190.74

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Solution

The fourth proportional to 43,152.60, 64,753.92 and 18,190.74 is: 27,296.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,152.60 : 64,753.92 = 18,190.74 : x
  2. Step 2: Convert to fraction form
    43,152.60/64,753.92 = 18,190.74/x
  3. Step 3: Cross multiply
    43,152.60x = 64,753.92 × 18,190.74
  4. Step 4: Simplify right side
    43,152.60x = 1,177,921,722.70
  5. Step 5: Solve for x
    x = 1,177,921,722.70/43,152.60
  6. Step 6: Final answer
    x = 27,296.66

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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.