Home / 31,960.68-44,126.28-20,635.26

Finding the Fourth Proportional to 31,960.68, 44,126.28 and 20,635.26

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Solution

The fourth proportional to 31,960.68, 44,126.28 and 20,635.26 is: 28,489.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.68 : 44,126.28 = 20,635.26 : x
  2. Step 2: Convert to fraction form
    31,960.68/44,126.28 = 20,635.26/x
  3. Step 3: Cross multiply
    31,960.68x = 44,126.28 × 20,635.26
  4. Step 4: Simplify right side
    31,960.68x = 910,557,260.63
  5. Step 5: Solve for x
    x = 910,557,260.63/31,960.68
  6. Step 6: Final answer
    x = 28,489.92

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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.