Home / 36,148.86-54,217.80-9,855.66

Finding the Fourth Proportional to 36,148.86, 54,217.80 and 9,855.66

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Solution

The fourth proportional to 36,148.86, 54,217.80 and 9,855.66 is: 14,781.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,148.86 : 54,217.80 = 9,855.66 : x
  2. Step 2: Convert to fraction form
    36,148.86/54,217.80 = 9,855.66/x
  3. Step 3: Cross multiply
    36,148.86x = 54,217.80 × 9,855.66
  4. Step 4: Simplify right side
    36,148.86x = 534,352,202.75
  5. Step 5: Solve for x
    x = 534,352,202.75/36,148.86
  6. Step 6: Final answer
    x = 14,781.99

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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.