Home / 39,947.60-55,145.44-25,807.44

Finding the Fourth Proportional to 39,947.60, 55,145.44 and 25,807.44

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Solution

The fourth proportional to 39,947.60, 55,145.44 and 25,807.44 is: 35,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,947.60 : 55,145.44 = 25,807.44 : x
  2. Step 2: Convert to fraction form
    39,947.60/55,145.44 = 25,807.44/x
  3. Step 3: Cross multiply
    39,947.60x = 55,145.44 × 25,807.44
  4. Step 4: Simplify right side
    39,947.60x = 1,423,162,634.07
  5. Step 5: Solve for x
    x = 1,423,162,634.07/39,947.60
  6. Step 6: Final answer
    x = 35,625.74

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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.