Home / 40,218.60-60,317.10-16,840.20

Finding the Fourth Proportional to 40,218.60, 60,317.10 and 16,840.20

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Solution

The fourth proportional to 40,218.60, 60,317.10 and 16,840.20 is: 25,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,218.60 : 60,317.10 = 16,840.20 : x
  2. Step 2: Convert to fraction form
    40,218.60/60,317.10 = 16,840.20/x
  3. Step 3: Cross multiply
    40,218.60x = 60,317.10 × 16,840.20
  4. Step 4: Simplify right side
    40,218.60x = 1,015,752,027.42
  5. Step 5: Solve for x
    x = 1,015,752,027.42/40,218.60
  6. Step 6: Final answer
    x = 25,255.78

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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.