Home / 33,149.82-49,724.86-13,428.74

Finding the Fourth Proportional to 33,149.82, 49,724.86 and 13,428.74

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Solution

The fourth proportional to 33,149.82, 49,724.86 and 13,428.74 is: 20,143.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,149.82 : 49,724.86 = 13,428.74 : x
  2. Step 2: Convert to fraction form
    33,149.82/49,724.86 = 13,428.74/x
  3. Step 3: Cross multiply
    33,149.82x = 49,724.86 × 13,428.74
  4. Step 4: Simplify right side
    33,149.82x = 667,742,216.48
  5. Step 5: Solve for x
    x = 667,742,216.48/33,149.82
  6. Step 6: Final answer
    x = 20,143.16

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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.