Home / 39,959.79-55,108.92-25,797.75

Finding the Fourth Proportional to 39,959.79, 55,108.92 and 25,797.75

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Solution

The fourth proportional to 39,959.79, 55,108.92 and 25,797.75 is: 35,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,959.79 : 55,108.92 = 25,797.75 : x
  2. Step 2: Convert to fraction form
    39,959.79/55,108.92 = 25,797.75/x
  3. Step 3: Cross multiply
    39,959.79x = 55,108.92 × 25,797.75
  4. Step 4: Simplify right side
    39,959.79x = 1,421,686,140.93
  5. Step 5: Solve for x
    x = 1,421,686,140.93/39,959.79
  6. Step 6: Final answer
    x = 35,577.92

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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.