Home / 40,112.38-60,171.80-12,410.38

Finding the Fourth Proportional to 40,112.38, 60,171.80 and 12,410.38

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Solution

The fourth proportional to 40,112.38, 60,171.80 and 12,410.38 is: 18,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,112.38 : 60,171.80 = 12,410.38 : x
  2. Step 2: Convert to fraction form
    40,112.38/60,171.80 = 12,410.38/x
  3. Step 3: Cross multiply
    40,112.38x = 60,171.80 × 12,410.38
  4. Step 4: Simplify right side
    40,112.38x = 746,754,903.28
  5. Step 5: Solve for x
    x = 746,754,903.28/40,112.38
  6. Step 6: Final answer
    x = 18,616.57

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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.