Home / 66,049.13-99,052.89-21,665.57

Finding the Fourth Proportional to 66,049.13, 99,052.89 and 21,665.57

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Solution

The fourth proportional to 66,049.13, 99,052.89 and 21,665.57 is: 32,491.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,049.13 : 99,052.89 = 21,665.57 : x
  2. Step 2: Convert to fraction form
    66,049.13/99,052.89 = 21,665.57/x
  3. Step 3: Cross multiply
    66,049.13x = 99,052.89 × 21,665.57
  4. Step 4: Simplify right side
    66,049.13x = 2,146,036,826.73
  5. Step 5: Solve for x
    x = 2,146,036,826.73/66,049.13
  6. Step 6: Final answer
    x = 32,491.53

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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.