Home / 69,100.97-95,364.18-38,889.20

Finding the Fourth Proportional to 69,100.97, 95,364.18 and 38,889.20

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Solution

The fourth proportional to 69,100.97, 95,364.18 and 38,889.20 is: 53,669.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,100.97 : 95,364.18 = 38,889.20 : x
  2. Step 2: Convert to fraction form
    69,100.97/95,364.18 = 38,889.20/x
  3. Step 3: Cross multiply
    69,100.97x = 95,364.18 × 38,889.20
  4. Step 4: Simplify right side
    69,100.97x = 3,708,636,668.86
  5. Step 5: Solve for x
    x = 3,708,636,668.86/69,100.97
  6. Step 6: Final answer
    x = 53,669.82

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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.