Home / 33,146.46-49,685.13-13,438.62

Finding the Fourth Proportional to 33,146.46, 49,685.13 and 13,438.62

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Solution

The fourth proportional to 33,146.46, 49,685.13 and 13,438.62 is: 20,143.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,146.46 : 49,685.13 = 13,438.62 : x
  2. Step 2: Convert to fraction form
    33,146.46/49,685.13 = 13,438.62/x
  3. Step 3: Cross multiply
    33,146.46x = 49,685.13 × 13,438.62
  4. Step 4: Simplify right side
    33,146.46x = 667,699,581.72
  5. Step 5: Solve for x
    x = 667,699,581.72/33,146.46
  6. Step 6: Final answer
    x = 20,143.92

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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.