Home / 31,629.03-43,648.98-17,289.65

Finding the Fourth Proportional to 31,629.03, 43,648.98 and 17,289.65

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Solution

The fourth proportional to 31,629.03, 43,648.98 and 17,289.65 is: 23,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.03 : 43,648.98 = 17,289.65 : x
  2. Step 2: Convert to fraction form
    31,629.03/43,648.98 = 17,289.65/x
  3. Step 3: Cross multiply
    31,629.03x = 43,648.98 × 17,289.65
  4. Step 4: Simplify right side
    31,629.03x = 754,675,521.16
  5. Step 5: Solve for x
    x = 754,675,521.16/31,629.03
  6. Step 6: Final answer
    x = 23,860.22

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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.