Home / 49,601.28-74,400.36-12,161.46

Finding the Fourth Proportional to 49,601.28, 74,400.36 and 12,161.46

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Solution

The fourth proportional to 49,601.28, 74,400.36 and 12,161.46 is: 18,241.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,601.28 : 74,400.36 = 12,161.46 : x
  2. Step 2: Convert to fraction form
    49,601.28/74,400.36 = 12,161.46/x
  3. Step 3: Cross multiply
    49,601.28x = 74,400.36 × 12,161.46
  4. Step 4: Simplify right side
    49,601.28x = 904,817,002.13
  5. Step 5: Solve for x
    x = 904,817,002.13/49,601.28
  6. Step 6: Final answer
    x = 18,241.81

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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.