Home / 40,651.20-60,985.77-12,187.02

Finding the Fourth Proportional to 40,651.20, 60,985.77 and 12,187.02

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Solution

The fourth proportional to 40,651.20, 60,985.77 and 12,187.02 is: 18,283.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,651.20 : 60,985.77 = 12,187.02 : x
  2. Step 2: Convert to fraction form
    40,651.20/60,985.77 = 12,187.02/x
  3. Step 3: Cross multiply
    40,651.20x = 60,985.77 × 12,187.02
  4. Step 4: Simplify right side
    40,651.20x = 743,234,981.70
  5. Step 5: Solve for x
    x = 743,234,981.70/40,651.20
  6. Step 6: Final answer
    x = 18,283.22

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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.