Home / 31,754.89-43,811.67-18,324.37

Finding the Fourth Proportional to 31,754.89, 43,811.67 and 18,324.37

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Solution

The fourth proportional to 31,754.89, 43,811.67 and 18,324.37 is: 25,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,754.89 : 43,811.67 = 18,324.37 : x
  2. Step 2: Convert to fraction form
    31,754.89/43,811.67 = 18,324.37/x
  3. Step 3: Cross multiply
    31,754.89x = 43,811.67 × 18,324.37
  4. Step 4: Simplify right side
    31,754.89x = 802,821,251.40
  5. Step 5: Solve for x
    x = 802,821,251.40/31,754.89
  6. Step 6: Final answer
    x = 25,281.81

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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.