Home / 38,514.14-57,805.24-18,810.08

Finding the Fourth Proportional to 38,514.14, 57,805.24 and 18,810.08

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Solution

The fourth proportional to 38,514.14, 57,805.24 and 18,810.08 is: 28,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.14 : 57,805.24 = 18,810.08 : x
  2. Step 2: Convert to fraction form
    38,514.14/57,805.24 = 18,810.08/x
  3. Step 3: Cross multiply
    38,514.14x = 57,805.24 × 18,810.08
  4. Step 4: Simplify right side
    38,514.14x = 1,087,321,188.82
  5. Step 5: Solve for x
    x = 1,087,321,188.82/38,514.14
  6. Step 6: Final answer
    x = 28,231.74

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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.