Home / 31,363.98-43,282-17,216.52

Finding the Fourth Proportional to 31,363.98, 43,282 and 17,216.52

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Solution

The fourth proportional to 31,363.98, 43,282 and 17,216.52 is: 23,758.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.98 : 43,282 = 17,216.52 : x
  2. Step 2: Convert to fraction form
    31,363.98/43,282 = 17,216.52/x
  3. Step 3: Cross multiply
    31,363.98x = 43,282 × 17,216.52
  4. Step 4: Simplify right side
    31,363.98x = 745,165,418.64
  5. Step 5: Solve for x
    x = 745,165,418.64/31,363.98
  6. Step 6: Final answer
    x = 23,758.64

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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.