Home / 40,383.11-60,580.22-13,721.94

Finding the Fourth Proportional to 40,383.11, 60,580.22 and 13,721.94

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Solution

The fourth proportional to 40,383.11, 60,580.22 and 13,721.94 is: 20,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.11 : 60,580.22 = 13,721.94 : x
  2. Step 2: Convert to fraction form
    40,383.11/60,580.22 = 13,721.94/x
  3. Step 3: Cross multiply
    40,383.11x = 60,580.22 × 13,721.94
  4. Step 4: Simplify right side
    40,383.11x = 831,278,075.42
  5. Step 5: Solve for x
    x = 831,278,075.42/40,383.11
  6. Step 6: Final answer
    x = 20,584.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.