Home / 40,495.15-60,770.10-14,200.12

Finding the Fourth Proportional to 40,495.15, 60,770.10 and 14,200.12

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Solution

The fourth proportional to 40,495.15, 60,770.10 and 14,200.12 is: 21,309.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,495.15 : 60,770.10 = 14,200.12 : x
  2. Step 2: Convert to fraction form
    40,495.15/60,770.10 = 14,200.12/x
  3. Step 3: Cross multiply
    40,495.15x = 60,770.10 × 14,200.12
  4. Step 4: Simplify right side
    40,495.15x = 862,942,712.41
  5. Step 5: Solve for x
    x = 862,942,712.41/40,495.15
  6. Step 6: Final answer
    x = 21,309.78

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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.