Home / 39,954.93-55,137.67-22,051.90

Finding the Fourth Proportional to 39,954.93, 55,137.67 and 22,051.90

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Solution

The fourth proportional to 39,954.93, 55,137.67 and 22,051.90 is: 30,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.93 : 55,137.67 = 22,051.90 : x
  2. Step 2: Convert to fraction form
    39,954.93/55,137.67 = 22,051.90/x
  3. Step 3: Cross multiply
    39,954.93x = 55,137.67 × 22,051.90
  4. Step 4: Simplify right side
    39,954.93x = 1,215,890,385.07
  5. Step 5: Solve for x
    x = 1,215,890,385.07/39,954.93
  6. Step 6: Final answer
    x = 30,431.55

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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.