Home / 40,241.80-60,363.11-12,162.08

Finding the Fourth Proportional to 40,241.80, 60,363.11 and 12,162.08

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Solution

The fourth proportional to 40,241.80, 60,363.11 and 12,162.08 is: 18,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,241.80 : 60,363.11 = 12,162.08 : x
  2. Step 2: Convert to fraction form
    40,241.80/60,363.11 = 12,162.08/x
  3. Step 3: Cross multiply
    40,241.80x = 60,363.11 × 12,162.08
  4. Step 4: Simplify right side
    40,241.80x = 734,141,085.77
  5. Step 5: Solve for x
    x = 734,141,085.77/40,241.80
  6. Step 6: Final answer
    x = 18,243.25

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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.