Home / 40,329.40-60,494.10-12,249.40

Finding the Fourth Proportional to 40,329.40, 60,494.10 and 12,249.40

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Solution

The fourth proportional to 40,329.40, 60,494.10 and 12,249.40 is: 18,374.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,329.40 : 60,494.10 = 12,249.40 : x
  2. Step 2: Convert to fraction form
    40,329.40/60,494.10 = 12,249.40/x
  3. Step 3: Cross multiply
    40,329.40x = 60,494.10 × 12,249.40
  4. Step 4: Simplify right side
    40,329.40x = 741,016,428.54
  5. Step 5: Solve for x
    x = 741,016,428.54/40,329.40
  6. Step 6: Final answer
    x = 18,374.10

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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.