Home / 39,677.99-54,755.60-22,682.61

Finding the Fourth Proportional to 39,677.99, 54,755.60 and 22,682.61

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Solution

The fourth proportional to 39,677.99, 54,755.60 and 22,682.61 is: 31,301.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,677.99 : 54,755.60 = 22,682.61 : x
  2. Step 2: Convert to fraction form
    39,677.99/54,755.60 = 22,682.61/x
  3. Step 3: Cross multiply
    39,677.99x = 54,755.60 × 22,682.61
  4. Step 4: Simplify right side
    39,677.99x = 1,242,000,152.09
  5. Step 5: Solve for x
    x = 1,242,000,152.09/39,677.99
  6. Step 6: Final answer
    x = 31,301.99

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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.