Home / 31,189.79-43,040.95-17,042.62

Finding the Fourth Proportional to 31,189.79, 43,040.95 and 17,042.62

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Solution

The fourth proportional to 31,189.79, 43,040.95 and 17,042.62 is: 23,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.79 : 43,040.95 = 17,042.62 : x
  2. Step 2: Convert to fraction form
    31,189.79/43,040.95 = 17,042.62/x
  3. Step 3: Cross multiply
    31,189.79x = 43,040.95 × 17,042.62
  4. Step 4: Simplify right side
    31,189.79x = 733,530,555.29
  5. Step 5: Solve for x
    x = 733,530,555.29/31,189.79
  6. Step 6: Final answer
    x = 23,518.29

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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.