Home / 38,514.24-57,751.92-18,763.20

Finding the Fourth Proportional to 38,514.24, 57,751.92 and 18,763.20

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Solution

The fourth proportional to 38,514.24, 57,751.92 and 18,763.20 is: 28,135.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,514.24 : 57,751.92 = 18,763.20 : x
  2. Step 2: Convert to fraction form
    38,514.24/57,751.92 = 18,763.20/x
  3. Step 3: Cross multiply
    38,514.24x = 57,751.92 × 18,763.20
  4. Step 4: Simplify right side
    38,514.24x = 1,083,610,825.34
  5. Step 5: Solve for x
    x = 1,083,610,825.34/38,514.24
  6. Step 6: Final answer
    x = 28,135.33

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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.