Home / 36,805.95-55,109.91-19,238.88

Finding the Fourth Proportional to 36,805.95, 55,109.91 and 19,238.88

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Solution

The fourth proportional to 36,805.95, 55,109.91 and 19,238.88 is: 28,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,805.95 : 55,109.91 = 19,238.88 : x
  2. Step 2: Convert to fraction form
    36,805.95/55,109.91 = 19,238.88/x
  3. Step 3: Cross multiply
    36,805.95x = 55,109.91 × 19,238.88
  4. Step 4: Simplify right side
    36,805.95x = 1,060,252,945.30
  5. Step 5: Solve for x
    x = 1,060,252,945.30/36,805.95
  6. Step 6: Final answer
    x = 28,806.56

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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.