Home / 39,531.66-54,556.11-22,770.06

Finding the Fourth Proportional to 39,531.66, 54,556.11 and 22,770.06

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Solution

The fourth proportional to 39,531.66, 54,556.11 and 22,770.06 is: 31,424.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.66 : 54,556.11 = 22,770.06 : x
  2. Step 2: Convert to fraction form
    39,531.66/54,556.11 = 22,770.06/x
  3. Step 3: Cross multiply
    39,531.66x = 54,556.11 × 22,770.06
  4. Step 4: Simplify right side
    39,531.66x = 1,242,245,898.07
  5. Step 5: Solve for x
    x = 1,242,245,898.07/39,531.66
  6. Step 6: Final answer
    x = 31,424.08

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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.