Home / 40,449.72-60,677.46-12,747

Finding the Fourth Proportional to 40,449.72, 60,677.46 and 12,747

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Solution

The fourth proportional to 40,449.72, 60,677.46 and 12,747 is: 19,121.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,449.72 : 60,677.46 = 12,747 : x
  2. Step 2: Convert to fraction form
    40,449.72/60,677.46 = 12,747/x
  3. Step 3: Cross multiply
    40,449.72x = 60,677.46 × 12,747
  4. Step 4: Simplify right side
    40,449.72x = 773,455,582.62
  5. Step 5: Solve for x
    x = 773,455,582.62/40,449.72
  6. Step 6: Final answer
    x = 19,121.41

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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.