Home / 66,375.24-91,594.67-36,160.42

Finding the Fourth Proportional to 66,375.24, 91,594.67 and 36,160.42

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Solution

The fourth proportional to 66,375.24, 91,594.67 and 36,160.42 is: 49,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,375.24 : 91,594.67 = 36,160.42 : x
  2. Step 2: Convert to fraction form
    66,375.24/91,594.67 = 36,160.42/x
  3. Step 3: Cross multiply
    66,375.24x = 91,594.67 × 36,160.42
  4. Step 4: Simplify right side
    66,375.24x = 3,312,101,598.38
  5. Step 5: Solve for x
    x = 3,312,101,598.38/66,375.24
  6. Step 6: Final answer
    x = 49,899.66

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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.