Home / 31,167.74-43,012.23-17,020.46

Finding the Fourth Proportional to 31,167.74, 43,012.23 and 17,020.46

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Solution

The fourth proportional to 31,167.74, 43,012.23 and 17,020.46 is: 23,488.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167.74 : 43,012.23 = 17,020.46 : x
  2. Step 2: Convert to fraction form
    31,167.74/43,012.23 = 17,020.46/x
  3. Step 3: Cross multiply
    31,167.74x = 43,012.23 × 17,020.46
  4. Step 4: Simplify right side
    31,167.74x = 732,087,940.23
  5. Step 5: Solve for x
    x = 732,087,940.23/31,167.74
  6. Step 6: Final answer
    x = 23,488.64

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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.