Home / 66,443.42-99,665.13-27,003.61

Finding the Fourth Proportional to 66,443.42, 99,665.13 and 27,003.61

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Solution

The fourth proportional to 66,443.42, 99,665.13 and 27,003.61 is: 40,505.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,443.42 : 99,665.13 = 27,003.61 : x
  2. Step 2: Convert to fraction form
    66,443.42/99,665.13 = 27,003.61/x
  3. Step 3: Cross multiply
    66,443.42x = 99,665.13 × 27,003.61
  4. Step 4: Simplify right side
    66,443.42x = 2,691,318,301.12
  5. Step 5: Solve for x
    x = 2,691,318,301.12/66,443.42
  6. Step 6: Final answer
    x = 40,505.42

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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.