Home / 31,267.29-43,151.76-17,122.26

Finding the Fourth Proportional to 31,267.29, 43,151.76 and 17,122.26

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Solution

The fourth proportional to 31,267.29, 43,151.76 and 17,122.26 is: 23,630.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,267.29 : 43,151.76 = 17,122.26 : x
  2. Step 2: Convert to fraction form
    31,267.29/43,151.76 = 17,122.26/x
  3. Step 3: Cross multiply
    31,267.29x = 43,151.76 × 17,122.26
  4. Step 4: Simplify right side
    31,267.29x = 738,855,654.18
  5. Step 5: Solve for x
    x = 738,855,654.18/31,267.29
  6. Step 6: Final answer
    x = 23,630.31

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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.