Home / 49,409.92-68,129.26-39,338.79

Finding the Fourth Proportional to 49,409.92, 68,129.26 and 39,338.79

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Solution

The fourth proportional to 49,409.92, 68,129.26 and 39,338.79 is: 54,242.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.92 : 68,129.26 = 39,338.79 : x
  2. Step 2: Convert to fraction form
    49,409.92/68,129.26 = 39,338.79/x
  3. Step 3: Cross multiply
    49,409.92x = 68,129.26 × 39,338.79
  4. Step 4: Simplify right side
    49,409.92x = 2,680,122,652.00
  5. Step 5: Solve for x
    x = 2,680,122,652.00/49,409.92
  6. Step 6: Final answer
    x = 54,242.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.