Home / 69,211.52-95,521.28-40,540.16

Finding the Fourth Proportional to 69,211.52, 95,521.28 and 40,540.16

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Solution

The fourth proportional to 69,211.52, 95,521.28 and 40,540.16 is: 55,950.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,211.52 : 95,521.28 = 40,540.16 : x
  2. Step 2: Convert to fraction form
    69,211.52/95,521.28 = 40,540.16/x
  3. Step 3: Cross multiply
    69,211.52x = 95,521.28 × 40,540.16
  4. Step 4: Simplify right side
    69,211.52x = 3,872,447,974.60
  5. Step 5: Solve for x
    x = 3,872,447,974.60/69,211.52
  6. Step 6: Final answer
    x = 55,950.92

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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.