Home / 40,277.20-60,424.20-12,199.28

Finding the Fourth Proportional to 40,277.20, 60,424.20 and 12,199.28

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Solution

The fourth proportional to 40,277.20, 60,424.20 and 12,199.28 is: 18,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,277.20 : 60,424.20 = 12,199.28 : x
  2. Step 2: Convert to fraction form
    40,277.20/60,424.20 = 12,199.28/x
  3. Step 3: Cross multiply
    40,277.20x = 60,424.20 × 12,199.28
  4. Step 4: Simplify right side
    40,277.20x = 737,131,734.58
  5. Step 5: Solve for x
    x = 737,131,734.58/40,277.20
  6. Step 6: Final answer
    x = 18,301.46

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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.