Home / 69,146.65-95,416.32-38,517.49

Finding the Fourth Proportional to 69,146.65, 95,416.32 and 38,517.49

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Solution

The fourth proportional to 69,146.65, 95,416.32 and 38,517.49 is: 53,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,146.65 : 95,416.32 = 38,517.49 : x
  2. Step 2: Convert to fraction form
    69,146.65/95,416.32 = 38,517.49/x
  3. Step 3: Cross multiply
    69,146.65x = 95,416.32 × 38,517.49
  4. Step 4: Simplify right side
    69,146.65x = 3,675,197,151.44
  5. Step 5: Solve for x
    x = 3,675,197,151.44/69,146.65
  6. Step 6: Final answer
    x = 53,150.76

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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.