Home / 39,638.22-54,700.32-21,733.18

Finding the Fourth Proportional to 39,638.22, 54,700.32 and 21,733.18

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Solution

The fourth proportional to 39,638.22, 54,700.32 and 21,733.18 is: 29,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,638.22 : 54,700.32 = 21,733.18 : x
  2. Step 2: Convert to fraction form
    39,638.22/54,700.32 = 21,733.18/x
  3. Step 3: Cross multiply
    39,638.22x = 54,700.32 × 21,733.18
  4. Step 4: Simplify right side
    39,638.22x = 1,188,811,900.62
  5. Step 5: Solve for x
    x = 1,188,811,900.62/39,638.22
  6. Step 6: Final answer
    x = 29,991.56

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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.