Home / 36,153.72-54,225.23-21,167.75

Finding the Fourth Proportional to 36,153.72, 54,225.23 and 21,167.75

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Solution

The fourth proportional to 36,153.72, 54,225.23 and 21,167.75 is: 31,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,153.72 : 54,225.23 = 21,167.75 : x
  2. Step 2: Convert to fraction form
    36,153.72/54,225.23 = 21,167.75/x
  3. Step 3: Cross multiply
    36,153.72x = 54,225.23 × 21,167.75
  4. Step 4: Simplify right side
    36,153.72x = 1,147,826,142.06
  5. Step 5: Solve for x
    x = 1,147,826,142.06/36,153.72
  6. Step 6: Final answer
    x = 31,748.49

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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.