Home / 36,291.33-54,428.49-18,751.59

Finding the Fourth Proportional to 36,291.33, 54,428.49 and 18,751.59

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Solution

The fourth proportional to 36,291.33, 54,428.49 and 18,751.59 is: 28,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.33 : 54,428.49 = 18,751.59 : x
  2. Step 2: Convert to fraction form
    36,291.33/54,428.49 = 18,751.59/x
  3. Step 3: Cross multiply
    36,291.33x = 54,428.49 × 18,751.59
  4. Step 4: Simplify right side
    36,291.33x = 1,020,620,728.80
  5. Step 5: Solve for x
    x = 1,020,620,728.80/36,291.33
  6. Step 6: Final answer
    x = 28,122.99

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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.