Home / 38,260.60-57,374.70-18,545.20

Finding the Fourth Proportional to 38,260.60, 57,374.70 and 18,545.20

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Solution

The fourth proportional to 38,260.60, 57,374.70 and 18,545.20 is: 27,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,260.60 : 57,374.70 = 18,545.20 : x
  2. Step 2: Convert to fraction form
    38,260.60/57,374.70 = 18,545.20/x
  3. Step 3: Cross multiply
    38,260.60x = 57,374.70 × 18,545.20
  4. Step 4: Simplify right side
    38,260.60x = 1,064,025,286.44
  5. Step 5: Solve for x
    x = 1,064,025,286.44/38,260.60
  6. Step 6: Final answer
    x = 27,809.95

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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.