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Finding the Fourth Proportional to 36,561.26, 54,842.16 and 8,859.26

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Solution

The fourth proportional to 36,561.26, 54,842.16 and 8,859.26 is: 13,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,561.26 : 54,842.16 = 8,859.26 : x
  2. Step 2: Convert to fraction form
    36,561.26/54,842.16 = 8,859.26/x
  3. Step 3: Cross multiply
    36,561.26x = 54,842.16 × 8,859.26
  4. Step 4: Simplify right side
    36,561.26x = 485,860,954.40
  5. Step 5: Solve for x
    x = 485,860,954.40/36,561.26
  6. Step 6: Final answer
    x = 13,288.96

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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.