Home / 29,306.75-43,959.49-7,120.24

Finding the Fourth Proportional to 29,306.75, 43,959.49 and 7,120.24

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Solution

The fourth proportional to 29,306.75, 43,959.49 and 7,120.24 is: 10,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,306.75 : 43,959.49 = 7,120.24 : x
  2. Step 2: Convert to fraction form
    29,306.75/43,959.49 = 7,120.24/x
  3. Step 3: Cross multiply
    29,306.75x = 43,959.49 × 7,120.24
  4. Step 4: Simplify right side
    29,306.75x = 313,001,991.38
  5. Step 5: Solve for x
    x = 313,001,991.38/29,306.75
  6. Step 6: Final answer
    x = 10,680.20

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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.