Home / 36,519.90-54,788.10-11,561.46

Finding the Fourth Proportional to 36,519.90, 54,788.10 and 11,561.46

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Solution

The fourth proportional to 36,519.90, 54,788.10 and 11,561.46 is: 17,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,519.90 : 54,788.10 = 11,561.46 : x
  2. Step 2: Convert to fraction form
    36,519.90/54,788.10 = 11,561.46/x
  3. Step 3: Cross multiply
    36,519.90x = 54,788.10 × 11,561.46
  4. Step 4: Simplify right side
    36,519.90x = 633,430,426.63
  5. Step 5: Solve for x
    x = 633,430,426.63/36,519.90
  6. Step 6: Final answer
    x = 17,344.80

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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.