Home / 29,389.28-44,091.54-12,745.49

Finding the Fourth Proportional to 29,389.28, 44,091.54 and 12,745.49

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Solution

The fourth proportional to 29,389.28, 44,091.54 and 12,745.49 is: 19,121.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.28 : 44,091.54 = 12,745.49 : x
  2. Step 2: Convert to fraction form
    29,389.28/44,091.54 = 12,745.49/x
  3. Step 3: Cross multiply
    29,389.28x = 44,091.54 × 12,745.49
  4. Step 4: Simplify right side
    29,389.28x = 561,968,061.70
  5. Step 5: Solve for x
    x = 561,968,061.70/29,389.28
  6. Step 6: Final answer
    x = 19,121.54

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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.