Home / 40,769.38-61,149.96-11,190.18

Finding the Fourth Proportional to 40,769.38, 61,149.96 and 11,190.18

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Solution

The fourth proportional to 40,769.38, 61,149.96 and 11,190.18 is: 16,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,769.38 : 61,149.96 = 11,190.18 : x
  2. Step 2: Convert to fraction form
    40,769.38/61,149.96 = 11,190.18/x
  3. Step 3: Cross multiply
    40,769.38x = 61,149.96 × 11,190.18
  4. Step 4: Simplify right side
    40,769.38x = 684,279,059.39
  5. Step 5: Solve for x
    x = 684,279,059.39/40,769.38
  6. Step 6: Final answer
    x = 16,784.14

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1.5x scale

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.