Home / 40,340.20-60,477.66-18,142.12

Finding the Fourth Proportional to 40,340.20, 60,477.66 and 18,142.12

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Solution

The fourth proportional to 40,340.20, 60,477.66 and 18,142.12 is: 27,198.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,340.20 : 60,477.66 = 18,142.12 : x
  2. Step 2: Convert to fraction form
    40,340.20/60,477.66 = 18,142.12/x
  3. Step 3: Cross multiply
    40,340.20x = 60,477.66 × 18,142.12
  4. Step 4: Simplify right side
    40,340.20x = 1,097,192,965.04
  5. Step 5: Solve for x
    x = 1,097,192,965.04/40,340.20
  6. Step 6: Final answer
    x = 27,198.50

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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.