Home / 38,176.76-52,682.15-21,180.83

Finding the Fourth Proportional to 38,176.76, 52,682.15 and 21,180.83

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Solution

The fourth proportional to 38,176.76, 52,682.15 and 21,180.83 is: 29,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,176.76 : 52,682.15 = 21,180.83 : x
  2. Step 2: Convert to fraction form
    38,176.76/52,682.15 = 21,180.83/x
  3. Step 3: Cross multiply
    38,176.76x = 52,682.15 × 21,180.83
  4. Step 4: Simplify right side
    38,176.76x = 1,115,851,452.73
  5. Step 5: Solve for x
    x = 1,115,851,452.73/38,176.76
  6. Step 6: Final answer
    x = 29,228.55

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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.