Home / 31,418.07-43,355.84-17,270.82

Finding the Fourth Proportional to 31,418.07, 43,355.84 and 17,270.82

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Solution

The fourth proportional to 31,418.07, 43,355.84 and 17,270.82 is: 23,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,418.07 : 43,355.84 = 17,270.82 : x
  2. Step 2: Convert to fraction form
    31,418.07/43,355.84 = 17,270.82/x
  3. Step 3: Cross multiply
    31,418.07x = 43,355.84 × 17,270.82
  4. Step 4: Simplify right side
    31,418.07x = 748,790,734.99
  5. Step 5: Solve for x
    x = 748,790,734.99/31,418.07
  6. Step 6: Final answer
    x = 23,833.12

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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.