Home / 31,167.96-43,012.52-17,020.90

Finding the Fourth Proportional to 31,167.96, 43,012.52 and 17,020.90

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Solution

The fourth proportional to 31,167.96, 43,012.52 and 17,020.90 is: 23,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167.96 : 43,012.52 = 17,020.90 : x
  2. Step 2: Convert to fraction form
    31,167.96/43,012.52 = 17,020.90/x
  3. Step 3: Cross multiply
    31,167.96x = 43,012.52 × 17,020.90
  4. Step 4: Simplify right side
    31,167.96x = 732,111,801.67
  5. Step 5: Solve for x
    x = 732,111,801.67/31,167.96
  6. Step 6: Final answer
    x = 23,489.24

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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.