Home / 66,829.90-92,229.12-36,615.28

Finding the Fourth Proportional to 66,829.90, 92,229.12 and 36,615.28

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Solution

The fourth proportional to 66,829.90, 92,229.12 and 36,615.28 is: 50,531.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829.90 : 92,229.12 = 36,615.28 : x
  2. Step 2: Convert to fraction form
    66,829.90/92,229.12 = 36,615.28/x
  3. Step 3: Cross multiply
    66,829.90x = 92,229.12 × 36,615.28
  4. Step 4: Simplify right side
    66,829.90x = 3,376,995,052.95
  5. Step 5: Solve for x
    x = 3,376,995,052.95/66,829.90
  6. Step 6: Final answer
    x = 50,531.20

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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.