Home / 38,335.20-57,504.60-12,040.80

Finding the Fourth Proportional to 38,335.20, 57,504.60 and 12,040.80

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Solution

The fourth proportional to 38,335.20, 57,504.60 and 12,040.80 is: 18,061.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.20 : 57,504.60 = 12,040.80 : x
  2. Step 2: Convert to fraction form
    38,335.20/57,504.60 = 12,040.80/x
  3. Step 3: Cross multiply
    38,335.20x = 57,504.60 × 12,040.80
  4. Step 4: Simplify right side
    38,335.20x = 692,401,387.68
  5. Step 5: Solve for x
    x = 692,401,387.68/38,335.20
  6. Step 6: Final answer
    x = 18,061.77

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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.