Home / 66,532.80-91,818.72-38,241.12

Finding the Fourth Proportional to 66,532.80, 91,818.72 and 38,241.12

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Solution

The fourth proportional to 66,532.80, 91,818.72 and 38,241.12 is: 52,774.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,532.80 : 91,818.72 = 38,241.12 : x
  2. Step 2: Convert to fraction form
    66,532.80/91,818.72 = 38,241.12/x
  3. Step 3: Cross multiply
    66,532.80x = 91,818.72 × 38,241.12
  4. Step 4: Simplify right side
    66,532.80x = 3,511,250,689.77
  5. Step 5: Solve for x
    x = 3,511,250,689.77/66,532.80
  6. Step 6: Final answer
    x = 52,774.73

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1.5x scale

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.