Home / 66,431.31-99,661.17-24,311.25

Finding the Fourth Proportional to 66,431.31, 99,661.17 and 24,311.25

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Solution

The fourth proportional to 66,431.31, 99,661.17 and 24,311.25 is: 36,472.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,431.31 : 99,661.17 = 24,311.25 : x
  2. Step 2: Convert to fraction form
    66,431.31/99,661.17 = 24,311.25/x
  3. Step 3: Cross multiply
    66,431.31x = 99,661.17 × 24,311.25
  4. Step 4: Simplify right side
    66,431.31x = 2,422,887,619.16
  5. Step 5: Solve for x
    x = 2,422,887,619.16/66,431.31
  6. Step 6: Final answer
    x = 36,472.07

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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.