Home / 45,439.39-68,129.92-29,838.79

Finding the Fourth Proportional to 45,439.39, 68,129.92 and 29,838.79

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Solution

The fourth proportional to 45,439.39, 68,129.92 and 29,838.79 is: 44,739.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.39 : 68,129.92 = 29,838.79 : x
  2. Step 2: Convert to fraction form
    45,439.39/68,129.92 = 29,838.79/x
  3. Step 3: Cross multiply
    45,439.39x = 68,129.92 × 29,838.79
  4. Step 4: Simplify right side
    45,439.39x = 2,032,914,375.60
  5. Step 5: Solve for x
    x = 2,032,914,375.60/45,439.39
  6. Step 6: Final answer
    x = 44,739.03

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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.