Home / 31,348.77-43,262.55-17,202.12

Finding the Fourth Proportional to 31,348.77, 43,262.55 and 17,202.12

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Solution

The fourth proportional to 31,348.77, 43,262.55 and 17,202.12 is: 23,739.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,348.77 : 43,262.55 = 17,202.12 : x
  2. Step 2: Convert to fraction form
    31,348.77/43,262.55 = 17,202.12/x
  3. Step 3: Cross multiply
    31,348.77x = 43,262.55 × 17,202.12
  4. Step 4: Simplify right side
    31,348.77x = 744,207,576.61
  5. Step 5: Solve for x
    x = 744,207,576.61/31,348.77
  6. Step 6: Final answer
    x = 23,739.61

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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.