Home / 31,471.26-43,424.82-18,896.28

Finding the Fourth Proportional to 31,471.26, 43,424.82 and 18,896.28

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Solution

The fourth proportional to 31,471.26, 43,424.82 and 18,896.28 is: 26,073.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,471.26 : 43,424.82 = 18,896.28 : x
  2. Step 2: Convert to fraction form
    31,471.26/43,424.82 = 18,896.28/x
  3. Step 3: Cross multiply
    31,471.26x = 43,424.82 × 18,896.28
  4. Step 4: Simplify right side
    31,471.26x = 820,567,557.67
  5. Step 5: Solve for x
    x = 820,567,557.67/31,471.26
  6. Step 6: Final answer
    x = 26,073.55

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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.