Home / 38,150.60-57,209.70-18,435.20

Finding the Fourth Proportional to 38,150.60, 57,209.70 and 18,435.20

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Solution

The fourth proportional to 38,150.60, 57,209.70 and 18,435.20 is: 27,644.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,150.60 : 57,209.70 = 18,435.20 : x
  2. Step 2: Convert to fraction form
    38,150.60/57,209.70 = 18,435.20/x
  3. Step 3: Cross multiply
    38,150.60x = 57,209.70 × 18,435.20
  4. Step 4: Simplify right side
    38,150.60x = 1,054,672,261.44
  5. Step 5: Solve for x
    x = 1,054,672,261.44/38,150.60
  6. Step 6: Final answer
    x = 27,644.97

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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.