Home / 31,350.27-43,263.38-17,921.82

Finding the Fourth Proportional to 31,350.27, 43,263.38 and 17,921.82

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Solution

The fourth proportional to 31,350.27, 43,263.38 and 17,921.82 is: 24,732.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350.27 : 43,263.38 = 17,921.82 : x
  2. Step 2: Convert to fraction form
    31,350.27/43,263.38 = 17,921.82/x
  3. Step 3: Cross multiply
    31,350.27x = 43,263.38 × 17,921.82
  4. Step 4: Simplify right side
    31,350.27x = 775,358,419.34
  5. Step 5: Solve for x
    x = 775,358,419.34/31,350.27
  6. Step 6: Final answer
    x = 24,732.11

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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.