Home / 36,419.25-54,515.70-19,737.90

Finding the Fourth Proportional to 36,419.25, 54,515.70 and 19,737.90

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Solution

The fourth proportional to 36,419.25, 54,515.70 and 19,737.90 is: 29,545.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.25 : 54,515.70 = 19,737.90 : x
  2. Step 2: Convert to fraction form
    36,419.25/54,515.70 = 19,737.90/x
  3. Step 3: Cross multiply
    36,419.25x = 54,515.70 × 19,737.90
  4. Step 4: Simplify right side
    36,419.25x = 1,076,025,435.03
  5. Step 5: Solve for x
    x = 1,076,025,435.03/36,419.25
  6. Step 6: Final answer
    x = 29,545.51

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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.