Home / 66,439.28-99,685.92-26,999.48

Finding the Fourth Proportional to 66,439.28, 99,685.92 and 26,999.48

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Solution

The fourth proportional to 66,439.28, 99,685.92 and 26,999.48 is: 40,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.28 : 99,685.92 = 26,999.48 : x
  2. Step 2: Convert to fraction form
    66,439.28/99,685.92 = 26,999.48/x
  3. Step 3: Cross multiply
    66,439.28x = 99,685.92 × 26,999.48
  4. Step 4: Simplify right side
    66,439.28x = 2,691,468,003.32
  5. Step 5: Solve for x
    x = 2,691,468,003.32/66,439.28
  6. Step 6: Final answer
    x = 40,510.19

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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.