Home / 31,754.73-43,825.13-18,329.59

Finding the Fourth Proportional to 31,754.73, 43,825.13 and 18,329.59

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Solution

The fourth proportional to 31,754.73, 43,825.13 and 18,329.59 is: 25,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.73 : 43,825.13 = 18,329.59 : x
  2. Step 2: Convert to fraction form
    31,754.73/43,825.13 = 18,329.59/x
  3. Step 3: Cross multiply
    31,754.73x = 43,825.13 × 18,329.59
  4. Step 4: Simplify right side
    31,754.73x = 803,296,491.30
  5. Step 5: Solve for x
    x = 803,296,491.30/31,754.73
  6. Step 6: Final answer
    x = 25,296.91

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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.