Home / 71,714.28-107,571.36-21,794.18

Finding the Fourth Proportional to 71,714.28, 107,571.36 and 21,794.18

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Solution

The fourth proportional to 71,714.28, 107,571.36 and 21,794.18 is: 32,691.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,714.28 : 107,571.36 = 21,794.18 : x
  2. Step 2: Convert to fraction form
    71,714.28/107,571.36 = 21,794.18/x
  3. Step 3: Cross multiply
    71,714.28x = 107,571.36 × 21,794.18
  4. Step 4: Simplify right side
    71,714.28x = 2,344,429,582.68
  5. Step 5: Solve for x
    x = 2,344,429,582.68/71,714.28
  6. Step 6: Final answer
    x = 32,691.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.