Home / 31,825.90-43,919.75-17,486.65

Finding the Fourth Proportional to 31,825.90, 43,919.75 and 17,486.65

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Solution

The fourth proportional to 31,825.90, 43,919.75 and 17,486.65 is: 24,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825.90 : 43,919.75 = 17,486.65 : x
  2. Step 2: Convert to fraction form
    31,825.90/43,919.75 = 17,486.65/x
  3. Step 3: Cross multiply
    31,825.90x = 43,919.75 × 17,486.65
  4. Step 4: Simplify right side
    31,825.90x = 768,009,230.25
  5. Step 5: Solve for x
    x = 768,009,230.25/31,825.90
  6. Step 6: Final answer
    x = 24,131.58

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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.