Home / 40,512.30-60,768.45-12,436.62

Finding the Fourth Proportional to 40,512.30, 60,768.45 and 12,436.62

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Solution

The fourth proportional to 40,512.30, 60,768.45 and 12,436.62 is: 18,654.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,512.30 : 60,768.45 = 12,436.62 : x
  2. Step 2: Convert to fraction form
    40,512.30/60,768.45 = 12,436.62/x
  3. Step 3: Cross multiply
    40,512.30x = 60,768.45 × 12,436.62
  4. Step 4: Simplify right side
    40,512.30x = 755,754,120.64
  5. Step 5: Solve for x
    x = 755,754,120.64/40,512.30
  6. Step 6: Final answer
    x = 18,654.93

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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.