Home / 39,231.87-54,112.61-25,798.83

Finding the Fourth Proportional to 39,231.87, 54,112.61 and 25,798.83

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Solution

The fourth proportional to 39,231.87, 54,112.61 and 25,798.83 is: 35,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,231.87 : 54,112.61 = 25,798.83 : x
  2. Step 2: Convert to fraction form
    39,231.87/54,112.61 = 25,798.83/x
  3. Step 3: Cross multiply
    39,231.87x = 54,112.61 × 25,798.83
  4. Step 4: Simplify right side
    39,231.87x = 1,396,041,897.25
  5. Step 5: Solve for x
    x = 1,396,041,897.25/39,231.87
  6. Step 6: Final answer
    x = 35,584.38

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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.