Home / 39,961.77-55,144.24-22,966.05

Finding the Fourth Proportional to 39,961.77, 55,144.24 and 22,966.05

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Solution

The fourth proportional to 39,961.77, 55,144.24 and 22,966.05 is: 31,691.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,961.77 : 55,144.24 = 22,966.05 : x
  2. Step 2: Convert to fraction form
    39,961.77/55,144.24 = 22,966.05/x
  3. Step 3: Cross multiply
    39,961.77x = 55,144.24 × 22,966.05
  4. Step 4: Simplify right side
    39,961.77x = 1,266,445,373.05
  5. Step 5: Solve for x
    x = 1,266,445,373.05/39,961.77
  6. Step 6: Final answer
    x = 31,691.42

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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.