Home / 31,755.42-43,826.08-18,330.27

Finding the Fourth Proportional to 31,755.42, 43,826.08 and 18,330.27

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Solution

The fourth proportional to 31,755.42, 43,826.08 and 18,330.27 is: 25,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,755.42 : 43,826.08 = 18,330.27 : x
  2. Step 2: Convert to fraction form
    31,755.42/43,826.08 = 18,330.27/x
  3. Step 3: Cross multiply
    31,755.42x = 43,826.08 × 18,330.27
  4. Step 4: Simplify right side
    31,755.42x = 803,343,879.44
  5. Step 5: Solve for x
    x = 803,343,879.44/31,755.42
  6. Step 6: Final answer
    x = 25,297.85

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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.