Home / 39,958.76-55,137.66-22,961.72

Finding the Fourth Proportional to 39,958.76, 55,137.66 and 22,961.72

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Solution

The fourth proportional to 39,958.76, 55,137.66 and 22,961.72 is: 31,684.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,958.76 : 55,137.66 = 22,961.72 : x
  2. Step 2: Convert to fraction form
    39,958.76/55,137.66 = 22,961.72/x
  3. Step 3: Cross multiply
    39,958.76x = 55,137.66 × 22,961.72
  4. Step 4: Simplify right side
    39,958.76x = 1,266,055,510.38
  5. Step 5: Solve for x
    x = 1,266,055,510.38/39,958.76
  6. Step 6: Final answer
    x = 31,684.05

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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.