Home / 39,961.17-55,144.06-22,055.72

Finding the Fourth Proportional to 39,961.17, 55,144.06 and 22,055.72

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Solution

The fourth proportional to 39,961.17, 55,144.06 and 22,055.72 is: 30,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.17 : 55,144.06 = 22,055.72 : x
  2. Step 2: Convert to fraction form
    39,961.17/55,144.06 = 22,055.72/x
  3. Step 3: Cross multiply
    39,961.17x = 55,144.06 × 22,055.72
  4. Step 4: Simplify right side
    39,961.17x = 1,216,241,616.16
  5. Step 5: Solve for x
    x = 1,216,241,616.16/39,961.17
  6. Step 6: Final answer
    x = 30,435.59

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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.