Home / 39,954.95-55,137.58-22,049.96

Finding the Fourth Proportional to 39,954.95, 55,137.58 and 22,049.96

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Solution

The fourth proportional to 39,954.95, 55,137.58 and 22,049.96 is: 30,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,954.95 : 55,137.58 = 22,049.96 : x
  2. Step 2: Convert to fraction form
    39,954.95/55,137.58 = 22,049.96/x
  3. Step 3: Cross multiply
    39,954.95x = 55,137.58 × 22,049.96
  4. Step 4: Simplify right side
    39,954.95x = 1,215,781,312.02
  5. Step 5: Solve for x
    x = 1,215,781,312.02/39,954.95
  6. Step 6: Final answer
    x = 30,428.80

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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.