Home / 40,638.46-60,942.56-13,976.96

Finding the Fourth Proportional to 40,638.46, 60,942.56 and 13,976.96

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Solution

The fourth proportional to 40,638.46, 60,942.56 and 13,976.96 is: 20,960.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,638.46 : 60,942.56 = 13,976.96 : x
  2. Step 2: Convert to fraction form
    40,638.46/60,942.56 = 13,976.96/x
  3. Step 3: Cross multiply
    40,638.46x = 60,942.56 × 13,976.96
  4. Step 4: Simplify right side
    40,638.46x = 851,791,849.95
  5. Step 5: Solve for x
    x = 851,791,849.95/40,638.46
  6. Step 6: Final answer
    x = 20,960.24

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1.5x scale

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.