Home / 45,418.60-67,998.30-40,234.60

Finding the Fourth Proportional to 45,418.60, 67,998.30 and 40,234.60

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Solution

The fourth proportional to 45,418.60, 67,998.30 and 40,234.60 is: 60,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,418.60 : 67,998.30 = 40,234.60 : x
  2. Step 2: Convert to fraction form
    45,418.60/67,998.30 = 40,234.60/x
  3. Step 3: Cross multiply
    45,418.60x = 67,998.30 × 40,234.60
  4. Step 4: Simplify right side
    45,418.60x = 2,735,884,401.18
  5. Step 5: Solve for x
    x = 2,735,884,401.18/45,418.60
  6. Step 6: Final answer
    x = 60,237.09

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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.