Home / 66,422.30-99,633.45-27,007.70

Finding the Fourth Proportional to 66,422.30, 99,633.45 and 27,007.70

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Solution

The fourth proportional to 66,422.30, 99,633.45 and 27,007.70 is: 40,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,422.30 : 99,633.45 = 27,007.70 : x
  2. Step 2: Convert to fraction form
    66,422.30/99,633.45 = 27,007.70/x
  3. Step 3: Cross multiply
    66,422.30x = 99,633.45 × 27,007.70
  4. Step 4: Simplify right side
    66,422.30x = 2,690,870,327.57
  5. Step 5: Solve for x
    x = 2,690,870,327.57/66,422.30
  6. Step 6: Final answer
    x = 40,511.55

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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.