Home / 39,965.92-55,149.32-25,600.29

Finding the Fourth Proportional to 39,965.92, 55,149.32 and 25,600.29

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Solution

The fourth proportional to 39,965.92, 55,149.32 and 25,600.29 is: 35,326.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.92 : 55,149.32 = 25,600.29 : x
  2. Step 2: Convert to fraction form
    39,965.92/55,149.32 = 25,600.29/x
  3. Step 3: Cross multiply
    39,965.92x = 55,149.32 × 25,600.29
  4. Step 4: Simplify right side
    39,965.92x = 1,411,838,585.30
  5. Step 5: Solve for x
    x = 1,411,838,585.30/39,965.92
  6. Step 6: Final answer
    x = 35,326.06

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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.