Home / 31,765.26-43,840.49-18,336.27

Finding the Fourth Proportional to 31,765.26, 43,840.49 and 18,336.27

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Solution

The fourth proportional to 31,765.26, 43,840.49 and 18,336.27 is: 25,306.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,765.26 : 43,840.49 = 18,336.27 : x
  2. Step 2: Convert to fraction form
    31,765.26/43,840.49 = 18,336.27/x
  3. Step 3: Cross multiply
    31,765.26x = 43,840.49 × 18,336.27
  4. Step 4: Simplify right side
    31,765.26x = 803,871,237.43
  5. Step 5: Solve for x
    x = 803,871,237.43/31,765.26
  6. Step 6: Final answer
    x = 25,306.61

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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.