Home / 38,046.20-52,500.78-21,049.10

Finding the Fourth Proportional to 38,046.20, 52,500.78 and 21,049.10

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Solution

The fourth proportional to 38,046.20, 52,500.78 and 21,049.10 is: 29,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,046.20 : 52,500.78 = 21,049.10 : x
  2. Step 2: Convert to fraction form
    38,046.20/52,500.78 = 21,049.10/x
  3. Step 3: Cross multiply
    38,046.20x = 52,500.78 × 21,049.10
  4. Step 4: Simplify right side
    38,046.20x = 1,105,093,905.79
  5. Step 5: Solve for x
    x = 1,105,093,905.79/38,046.20
  6. Step 6: Final answer
    x = 29,046.11

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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.