Home / 39,961.15-55,142.46-22,055.00

Finding the Fourth Proportional to 39,961.15, 55,142.46 and 22,055.00

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Solution

The fourth proportional to 39,961.15, 55,142.46 and 22,055.00 is: 30,433.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.15 : 55,142.46 = 22,055.00 : x
  2. Step 2: Convert to fraction form
    39,961.15/55,142.46 = 22,055.00/x
  3. Step 3: Cross multiply
    39,961.15x = 55,142.46 × 22,055.00
  4. Step 4: Simplify right side
    39,961.15x = 1,216,167,121.59
  5. Step 5: Solve for x
    x = 1,216,167,121.59/39,961.15
  6. Step 6: Final answer
    x = 30,433.74

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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.