Home / 38,242.14-57,377.92-18,519.18

Finding the Fourth Proportional to 38,242.14, 57,377.92 and 18,519.18

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Solution

The fourth proportional to 38,242.14, 57,377.92 and 18,519.18 is: 27,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,242.14 : 57,377.92 = 18,519.18 : x
  2. Step 2: Convert to fraction form
    38,242.14/57,377.92 = 18,519.18/x
  3. Step 3: Cross multiply
    38,242.14x = 57,377.92 × 18,519.18
  4. Step 4: Simplify right side
    38,242.14x = 1,062,592,028.51
  5. Step 5: Solve for x
    x = 1,062,592,028.51/38,242.14
  6. Step 6: Final answer
    x = 27,785.89

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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.