Home / 38,540.20-57,810.30-29,792.20

Finding the Fourth Proportional to 38,540.20, 57,810.30 and 29,792.20

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Solution

The fourth proportional to 38,540.20, 57,810.30 and 29,792.20 is: 44,688.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,540.20 : 57,810.30 = 29,792.20 : x
  2. Step 2: Convert to fraction form
    38,540.20/57,810.30 = 29,792.20/x
  3. Step 3: Cross multiply
    38,540.20x = 57,810.30 × 29,792.20
  4. Step 4: Simplify right side
    38,540.20x = 1,722,296,019.66
  5. Step 5: Solve for x
    x = 1,722,296,019.66/38,540.20
  6. Step 6: Final answer
    x = 44,688.30

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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.