Home / 69,127.68-95,370.13-40,438.20

Finding the Fourth Proportional to 69,127.68, 95,370.13 and 40,438.20

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Solution

The fourth proportional to 69,127.68, 95,370.13 and 40,438.20 is: 55,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,127.68 : 95,370.13 = 40,438.20 : x
  2. Step 2: Convert to fraction form
    69,127.68/95,370.13 = 40,438.20/x
  3. Step 3: Cross multiply
    69,127.68x = 95,370.13 × 40,438.20
  4. Step 4: Simplify right side
    69,127.68x = 3,856,596,390.97
  5. Step 5: Solve for x
    x = 3,856,596,390.97/69,127.68
  6. Step 6: Final answer
    x = 55,789.47

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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.