Home / 40,346.35-60,518.97-18,144

Finding the Fourth Proportional to 40,346.35, 60,518.97 and 18,144

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Solution

The fourth proportional to 40,346.35, 60,518.97 and 18,144 is: 27,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,346.35 : 60,518.97 = 18,144 : x
  2. Step 2: Convert to fraction form
    40,346.35/60,518.97 = 18,144/x
  3. Step 3: Cross multiply
    40,346.35x = 60,518.97 × 18,144
  4. Step 4: Simplify right side
    40,346.35x = 1,098,056,191.68
  5. Step 5: Solve for x
    x = 1,098,056,191.68/40,346.35
  6. Step 6: Final answer
    x = 27,215.75

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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.