Home / 36,511.09-54,868.87-21,722.29

Finding the Fourth Proportional to 36,511.09, 54,868.87 and 21,722.29

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Solution

The fourth proportional to 36,511.09, 54,868.87 and 21,722.29 is: 32,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.09 : 54,868.87 = 21,722.29 : x
  2. Step 2: Convert to fraction form
    36,511.09/54,868.87 = 21,722.29/x
  3. Step 3: Cross multiply
    36,511.09x = 54,868.87 × 21,722.29
  4. Step 4: Simplify right side
    36,511.09x = 1,191,877,506.11
  5. Step 5: Solve for x
    x = 1,191,877,506.11/36,511.09
  6. Step 6: Final answer
    x = 32,644.26

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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.