Home / 31,394.07-43,324.11-17,247.21

Finding the Fourth Proportional to 31,394.07, 43,324.11 and 17,247.21

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Solution

The fourth proportional to 31,394.07, 43,324.11 and 17,247.21 is: 23,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,394.07 : 43,324.11 = 17,247.21 : x
  2. Step 2: Convert to fraction form
    31,394.07/43,324.11 = 17,247.21/x
  3. Step 3: Cross multiply
    31,394.07x = 43,324.11 × 17,247.21
  4. Step 4: Simplify right side
    31,394.07x = 747,220,023.23
  5. Step 5: Solve for x
    x = 747,220,023.23/31,394.07
  6. Step 6: Final answer
    x = 23,801.31

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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.