Home / 39,034.92-58,561.71-12,739.71

Finding the Fourth Proportional to 39,034.92, 58,561.71 and 12,739.71

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Solution

The fourth proportional to 39,034.92, 58,561.71 and 12,739.71 is: 19,112.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034.92 : 58,561.71 = 12,739.71 : x
  2. Step 2: Convert to fraction form
    39,034.92/58,561.71 = 12,739.71/x
  3. Step 3: Cross multiply
    39,034.92x = 58,561.71 × 12,739.71
  4. Step 4: Simplify right side
    39,034.92x = 746,059,202.50
  5. Step 5: Solve for x
    x = 746,059,202.50/39,034.92
  6. Step 6: Final answer
    x = 19,112.61

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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.