Home / 39,955.97-55,134.86-22,049.84

Finding the Fourth Proportional to 39,955.97, 55,134.86 and 22,049.84

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Solution

The fourth proportional to 39,955.97, 55,134.86 and 22,049.84 is: 30,426.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.97 : 55,134.86 = 22,049.84 : x
  2. Step 2: Convert to fraction form
    39,955.97/55,134.86 = 22,049.84/x
  3. Step 3: Cross multiply
    39,955.97x = 55,134.86 × 22,049.84
  4. Step 4: Simplify right side
    39,955.97x = 1,215,714,455.50
  5. Step 5: Solve for x
    x = 1,215,714,455.50/39,955.97
  6. Step 6: Final answer
    x = 30,426.36

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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.