Home / 36,578.40-54,872.83-11,280.06

Finding the Fourth Proportional to 36,578.40, 54,872.83 and 11,280.06

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Solution

The fourth proportional to 36,578.40, 54,872.83 and 11,280.06 is: 16,921.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,578.40 : 54,872.83 = 11,280.06 : x
  2. Step 2: Convert to fraction form
    36,578.40/54,872.83 = 11,280.06/x
  3. Step 3: Cross multiply
    36,578.40x = 54,872.83 × 11,280.06
  4. Step 4: Simplify right side
    36,578.40x = 618,968,623.10
  5. Step 5: Solve for x
    x = 618,968,623.10/36,578.40
  6. Step 6: Final answer
    x = 16,921.70

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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.