Home / 30,209.60-41,691.24-18,273.44

Finding the Fourth Proportional to 30,209.60, 41,691.24 and 18,273.44

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Solution

The fourth proportional to 30,209.60, 41,691.24 and 18,273.44 is: 25,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.60 : 41,691.24 = 18,273.44 : x
  2. Step 2: Convert to fraction form
    30,209.60/41,691.24 = 18,273.44/x
  3. Step 3: Cross multiply
    30,209.60x = 41,691.24 × 18,273.44
  4. Step 4: Simplify right side
    30,209.60x = 761,842,372.67
  5. Step 5: Solve for x
    x = 761,842,372.67/30,209.60
  6. Step 6: Final answer
    x = 25,218.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.