Home / 36,558.20-54,859.24-15,781.68

Finding the Fourth Proportional to 36,558.20, 54,859.24 and 15,781.68

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Solution

The fourth proportional to 36,558.20, 54,859.24 and 15,781.68 is: 23,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,558.20 : 54,859.24 = 15,781.68 : x
  2. Step 2: Convert to fraction form
    36,558.20/54,859.24 = 15,781.68/x
  3. Step 3: Cross multiply
    36,558.20x = 54,859.24 × 15,781.68
  4. Step 4: Simplify right side
    36,558.20x = 865,770,970.72
  5. Step 5: Solve for x
    x = 865,770,970.72/36,558.20
  6. Step 6: Final answer
    x = 23,681.99

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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.