Home / 39,507.89-54,514.92-22,279.55

Finding the Fourth Proportional to 39,507.89, 54,514.92 and 22,279.55

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Solution

The fourth proportional to 39,507.89, 54,514.92 and 22,279.55 is: 30,742.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,507.89 : 54,514.92 = 22,279.55 : x
  2. Step 2: Convert to fraction form
    39,507.89/54,514.92 = 22,279.55/x
  3. Step 3: Cross multiply
    39,507.89x = 54,514.92 × 22,279.55
  4. Step 4: Simplify right side
    39,507.89x = 1,214,567,613.31
  5. Step 5: Solve for x
    x = 1,214,567,613.31/39,507.89
  6. Step 6: Final answer
    x = 30,742.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.