Home / 31,266.53-43,147.31-17,119.36

Finding the Fourth Proportional to 31,266.53, 43,147.31 and 17,119.36

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Solution

The fourth proportional to 31,266.53, 43,147.31 and 17,119.36 is: 23,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.53 : 43,147.31 = 17,119.36 : x
  2. Step 2: Convert to fraction form
    31,266.53/43,147.31 = 17,119.36/x
  3. Step 3: Cross multiply
    31,266.53x = 43,147.31 × 17,119.36
  4. Step 4: Simplify right side
    31,266.53x = 738,654,332.92
  5. Step 5: Solve for x
    x = 738,654,332.92/31,266.53
  6. Step 6: Final answer
    x = 23,624.44

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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.