Home / 38,246.60-57,353.70-18,531.20

Finding the Fourth Proportional to 38,246.60, 57,353.70 and 18,531.20

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Solution

The fourth proportional to 38,246.60, 57,353.70 and 18,531.20 is: 27,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,246.60 : 57,353.70 = 18,531.20 : x
  2. Step 2: Convert to fraction form
    38,246.60/57,353.70 = 18,531.20/x
  3. Step 3: Cross multiply
    38,246.60x = 57,353.70 × 18,531.20
  4. Step 4: Simplify right side
    38,246.60x = 1,062,832,885.44
  5. Step 5: Solve for x
    x = 1,062,832,885.44/38,246.60
  6. Step 6: Final answer
    x = 27,788.95

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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.