Home / 36,428.62-54,638.15-11,468.80

Finding the Fourth Proportional to 36,428.62, 54,638.15 and 11,468.80

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Solution

The fourth proportional to 36,428.62, 54,638.15 and 11,468.80 is: 17,201.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,428.62 : 54,638.15 = 11,468.80 : x
  2. Step 2: Convert to fraction form
    36,428.62/54,638.15 = 11,468.80/x
  3. Step 3: Cross multiply
    36,428.62x = 54,638.15 × 11,468.80
  4. Step 4: Simplify right side
    36,428.62x = 626,633,971.71
  5. Step 5: Solve for x
    x = 626,633,971.71/36,428.62
  6. Step 6: Final answer
    x = 17,201.69

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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.