Home / 39,579.88-54,625.43-22,580.21

Finding the Fourth Proportional to 39,579.88, 54,625.43 and 22,580.21

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Solution

The fourth proportional to 39,579.88, 54,625.43 and 22,580.21 is: 31,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,579.88 : 54,625.43 = 22,580.21 : x
  2. Step 2: Convert to fraction form
    39,579.88/54,625.43 = 22,580.21/x
  3. Step 3: Cross multiply
    39,579.88x = 54,625.43 × 22,580.21
  4. Step 4: Simplify right side
    39,579.88x = 1,233,453,680.74
  5. Step 5: Solve for x
    x = 1,233,453,680.74/39,579.88
  6. Step 6: Final answer
    x = 31,163.65

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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.