Home / 39,926.68-55,081.02-23,149.96

Finding the Fourth Proportional to 39,926.68, 55,081.02 and 23,149.96

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Solution

The fourth proportional to 39,926.68, 55,081.02 and 23,149.96 is: 31,936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,926.68 : 55,081.02 = 23,149.96 : x
  2. Step 2: Convert to fraction form
    39,926.68/55,081.02 = 23,149.96/x
  3. Step 3: Cross multiply
    39,926.68x = 55,081.02 × 23,149.96
  4. Step 4: Simplify right side
    39,926.68x = 1,275,123,409.76
  5. Step 5: Solve for x
    x = 1,275,123,409.76/39,926.68
  6. Step 6: Final answer
    x = 31,936.63

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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.