Home / 33,165.25-49,747.57-13,439.12

Finding the Fourth Proportional to 33,165.25, 49,747.57 and 13,439.12

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Solution

The fourth proportional to 33,165.25, 49,747.57 and 13,439.12 is: 20,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,165.25 : 49,747.57 = 13,439.12 : x
  2. Step 2: Convert to fraction form
    33,165.25/49,747.57 = 13,439.12/x
  3. Step 3: Cross multiply
    33,165.25x = 49,747.57 × 13,439.12
  4. Step 4: Simplify right side
    33,165.25x = 668,563,280.60
  5. Step 5: Solve for x
    x = 668,563,280.60/33,165.25
  6. Step 6: Final answer
    x = 20,158.55

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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.