Home / 31,260.22-43,139.62-17,648.98

Finding the Fourth Proportional to 31,260.22, 43,139.62 and 17,648.98

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Solution

The fourth proportional to 31,260.22, 43,139.62 and 17,648.98 is: 24,355.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,260.22 : 43,139.62 = 17,648.98 : x
  2. Step 2: Convert to fraction form
    31,260.22/43,139.62 = 17,648.98/x
  3. Step 3: Cross multiply
    31,260.22x = 43,139.62 × 17,648.98
  4. Step 4: Simplify right side
    31,260.22x = 761,370,290.59
  5. Step 5: Solve for x
    x = 761,370,290.59/31,260.22
  6. Step 6: Final answer
    x = 24,355.88

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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.