Home / 66,444.64-91,690.23-36,229.71

Finding the Fourth Proportional to 66,444.64, 91,690.23 and 36,229.71

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Solution

The fourth proportional to 66,444.64, 91,690.23 and 36,229.71 is: 49,995.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,444.64 : 91,690.23 = 36,229.71 : x
  2. Step 2: Convert to fraction form
    66,444.64/91,690.23 = 36,229.71/x
  3. Step 3: Cross multiply
    66,444.64x = 91,690.23 × 36,229.71
  4. Step 4: Simplify right side
    66,444.64x = 3,321,910,718.64
  5. Step 5: Solve for x
    x = 3,321,910,718.64/66,444.64
  6. Step 6: Final answer
    x = 49,995.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.