Home / 67,904.60-101,933.70-40,218.20

Finding the Fourth Proportional to 67,904.60, 101,933.70 and 40,218.20

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Solution

The fourth proportional to 67,904.60, 101,933.70 and 40,218.20 is: 60,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,904.60 : 101,933.70 = 40,218.20 : x
  2. Step 2: Convert to fraction form
    67,904.60/101,933.70 = 40,218.20/x
  3. Step 3: Cross multiply
    67,904.60x = 101,933.70 × 40,218.20
  4. Step 4: Simplify right side
    67,904.60x = 4,099,589,933.34
  5. Step 5: Solve for x
    x = 4,099,589,933.34/67,904.60
  6. Step 6: Final answer
    x = 60,372.79

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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.