Home / 39,559.35-54,590.16-21,654.72

Finding the Fourth Proportional to 39,559.35, 54,590.16 and 21,654.72

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Solution

The fourth proportional to 39,559.35, 54,590.16 and 21,654.72 is: 29,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,559.35 : 54,590.16 = 21,654.72 : x
  2. Step 2: Convert to fraction form
    39,559.35/54,590.16 = 21,654.72/x
  3. Step 3: Cross multiply
    39,559.35x = 54,590.16 × 21,654.72
  4. Step 4: Simplify right side
    39,559.35x = 1,182,134,629.56
  5. Step 5: Solve for x
    x = 1,182,134,629.56/39,559.35
  6. Step 6: Final answer
    x = 29,882.56

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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.