Home / 34,391.17-47,451.18-20,241.28

Finding the Fourth Proportional to 34,391.17, 47,451.18 and 20,241.28

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Solution

The fourth proportional to 34,391.17, 47,451.18 and 20,241.28 is: 27,927.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,391.17 : 47,451.18 = 20,241.28 : x
  2. Step 2: Convert to fraction form
    34,391.17/47,451.18 = 20,241.28/x
  3. Step 3: Cross multiply
    34,391.17x = 47,451.18 × 20,241.28
  4. Step 4: Simplify right side
    34,391.17x = 960,472,620.71
  5. Step 5: Solve for x
    x = 960,472,620.71/34,391.17
  6. Step 6: Final answer
    x = 27,927.88

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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.