Home / 39,255.51-54,177.15-22,032.61

Finding the Fourth Proportional to 39,255.51, 54,177.15 and 22,032.61

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Solution

The fourth proportional to 39,255.51, 54,177.15 and 22,032.61 is: 30,407.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,255.51 : 54,177.15 = 22,032.61 : x
  2. Step 2: Convert to fraction form
    39,255.51/54,177.15 = 22,032.61/x
  3. Step 3: Cross multiply
    39,255.51x = 54,177.15 × 22,032.61
  4. Step 4: Simplify right side
    39,255.51x = 1,193,664,016.86
  5. Step 5: Solve for x
    x = 1,193,664,016.86/39,255.51
  6. Step 6: Final answer
    x = 30,407.55

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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.