Home / 31,405.41-43,338.96-17,257.95

Finding the Fourth Proportional to 31,405.41, 43,338.96 and 17,257.95

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Solution

The fourth proportional to 31,405.41, 43,338.96 and 17,257.95 is: 23,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,405.41 : 43,338.96 = 17,257.95 : x
  2. Step 2: Convert to fraction form
    31,405.41/43,338.96 = 17,257.95/x
  3. Step 3: Cross multiply
    31,405.41x = 43,338.96 × 17,257.95
  4. Step 4: Simplify right side
    31,405.41x = 747,941,604.73
  5. Step 5: Solve for x
    x = 747,941,604.73/31,405.41
  6. Step 6: Final answer
    x = 23,815.69

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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.