Home / 38,360.80-57,541.20-12,073.60

Finding the Fourth Proportional to 38,360.80, 57,541.20 and 12,073.60

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Solution

The fourth proportional to 38,360.80, 57,541.20 and 12,073.60 is: 18,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,360.80 : 57,541.20 = 12,073.60 : x
  2. Step 2: Convert to fraction form
    38,360.80/57,541.20 = 12,073.60/x
  3. Step 3: Cross multiply
    38,360.80x = 57,541.20 × 12,073.60
  4. Step 4: Simplify right side
    38,360.80x = 694,729,432.32
  5. Step 5: Solve for x
    x = 694,729,432.32/38,360.80
  6. Step 6: Final answer
    x = 18,110.40

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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.