Home / 39,766.82-54,878.31-22,771.31

Finding the Fourth Proportional to 39,766.82, 54,878.31 and 22,771.31

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Solution

The fourth proportional to 39,766.82, 54,878.31 and 22,771.31 is: 31,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,766.82 : 54,878.31 = 22,771.31 : x
  2. Step 2: Convert to fraction form
    39,766.82/54,878.31 = 22,771.31/x
  3. Step 3: Cross multiply
    39,766.82x = 54,878.31 × 22,771.31
  4. Step 4: Simplify right side
    39,766.82x = 1,249,650,734.89
  5. Step 5: Solve for x
    x = 1,249,650,734.89/39,766.82
  6. Step 6: Final answer
    x = 31,424.46

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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.