Home / 39,961.40-55,137.12-25,614.68

Finding the Fourth Proportional to 39,961.40, 55,137.12 and 25,614.68

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Solution

The fourth proportional to 39,961.40, 55,137.12 and 25,614.68 is: 35,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.40 : 55,137.12 = 25,614.68 : x
  2. Step 2: Convert to fraction form
    39,961.40/55,137.12 = 25,614.68/x
  3. Step 3: Cross multiply
    39,961.40x = 55,137.12 × 25,614.68
  4. Step 4: Simplify right side
    39,961.40x = 1,412,319,684.92
  5. Step 5: Solve for x
    x = 1,412,319,684.92/39,961.40
  6. Step 6: Final answer
    x = 35,342.10

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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.