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Finding the Fourth Proportional to 36,189.35, 54,265.80 and 21,402.80

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Solution

The fourth proportional to 36,189.35, 54,265.80 and 21,402.80 is: 32,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,189.35 : 54,265.80 = 21,402.80 : x
  2. Step 2: Convert to fraction form
    36,189.35/54,265.80 = 21,402.80/x
  3. Step 3: Cross multiply
    36,189.35x = 54,265.80 × 21,402.80
  4. Step 4: Simplify right side
    36,189.35x = 1,161,440,064.24
  5. Step 5: Solve for x
    x = 1,161,440,064.24/36,189.35
  6. Step 6: Final answer
    x = 32,093.42

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1.5x scale

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.