Home / 38,540.66-57,810.18-17,764.16

Finding the Fourth Proportional to 38,540.66, 57,810.18 and 17,764.16

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Solution

The fourth proportional to 38,540.66, 57,810.18 and 17,764.16 is: 26,645.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,540.66 : 57,810.18 = 17,764.16 : x
  2. Step 2: Convert to fraction form
    38,540.66/57,810.18 = 17,764.16/x
  3. Step 3: Cross multiply
    38,540.66x = 57,810.18 × 17,764.16
  4. Step 4: Simplify right side
    38,540.66x = 1,026,949,287.15
  5. Step 5: Solve for x
    x = 1,026,949,287.15/38,540.66
  6. Step 6: Final answer
    x = 26,645.87

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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.