Home / 66,338.88-91,549.30-36,125.86

Finding the Fourth Proportional to 66,338.88, 91,549.30 and 36,125.86

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Solution

The fourth proportional to 66,338.88, 91,549.30 and 36,125.86 is: 49,854.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,338.88 : 91,549.30 = 36,125.86 : x
  2. Step 2: Convert to fraction form
    66,338.88/91,549.30 = 36,125.86/x
  3. Step 3: Cross multiply
    66,338.88x = 91,549.30 × 36,125.86
  4. Step 4: Simplify right side
    66,338.88x = 3,307,297,194.90
  5. Step 5: Solve for x
    x = 3,307,297,194.90/66,338.88
  6. Step 6: Final answer
    x = 49,854.58

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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.