Home / 39,891.32-55,034.59-22,889.42

Finding the Fourth Proportional to 39,891.32, 55,034.59 and 22,889.42

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Solution

The fourth proportional to 39,891.32, 55,034.59 and 22,889.42 is: 31,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,891.32 : 55,034.59 = 22,889.42 : x
  2. Step 2: Convert to fraction form
    39,891.32/55,034.59 = 22,889.42/x
  3. Step 3: Cross multiply
    39,891.32x = 55,034.59 × 22,889.42
  4. Step 4: Simplify right side
    39,891.32x = 1,259,709,761.94
  5. Step 5: Solve for x
    x = 1,259,709,761.94/39,891.32
  6. Step 6: Final answer
    x = 31,578.54

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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.