Home / 39,705.60-54,781.44-22,932.48

Finding the Fourth Proportional to 39,705.60, 54,781.44 and 22,932.48

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Solution

The fourth proportional to 39,705.60, 54,781.44 and 22,932.48 is: 31,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,705.60 : 54,781.44 = 22,932.48 : x
  2. Step 2: Convert to fraction form
    39,705.60/54,781.44 = 22,932.48/x
  3. Step 3: Cross multiply
    39,705.60x = 54,781.44 × 22,932.48
  4. Step 4: Simplify right side
    39,705.60x = 1,256,274,277.17
  5. Step 5: Solve for x
    x = 1,256,274,277.17/39,705.60
  6. Step 6: Final answer
    x = 31,639.73

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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.