Home / 38,195.60-57,277.20-18,480.20

Finding the Fourth Proportional to 38,195.60, 57,277.20 and 18,480.20

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Solution

The fourth proportional to 38,195.60, 57,277.20 and 18,480.20 is: 27,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195.60 : 57,277.20 = 18,480.20 : x
  2. Step 2: Convert to fraction form
    38,195.60/57,277.20 = 18,480.20/x
  3. Step 3: Cross multiply
    38,195.60x = 57,277.20 × 18,480.20
  4. Step 4: Simplify right side
    38,195.60x = 1,058,494,111.44
  5. Step 5: Solve for x
    x = 1,058,494,111.44/38,195.60
  6. Step 6: Final answer
    x = 27,712.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.