Home / 39,867.42-54,956.91-32,781.54

Finding the Fourth Proportional to 39,867.42, 54,956.91 and 32,781.54

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Solution

The fourth proportional to 39,867.42, 54,956.91 and 32,781.54 is: 45,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.42 : 54,956.91 = 32,781.54 : x
  2. Step 2: Convert to fraction form
    39,867.42/54,956.91 = 32,781.54/x
  3. Step 3: Cross multiply
    39,867.42x = 54,956.91 × 32,781.54
  4. Step 4: Simplify right side
    39,867.42x = 1,801,572,143.44
  5. Step 5: Solve for x
    x = 1,801,572,143.44/39,867.42
  6. Step 6: Final answer
    x = 45,189.08

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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.