Home / 36,828.88-55,205.48-21,001.56

Finding the Fourth Proportional to 36,828.88, 55,205.48 and 21,001.56

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Solution

The fourth proportional to 36,828.88, 55,205.48 and 21,001.56 is: 31,480.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,828.88 : 55,205.48 = 21,001.56 : x
  2. Step 2: Convert to fraction form
    36,828.88/55,205.48 = 21,001.56/x
  3. Step 3: Cross multiply
    36,828.88x = 55,205.48 × 21,001.56
  4. Step 4: Simplify right side
    36,828.88x = 1,159,401,200.55
  5. Step 5: Solve for x
    x = 1,159,401,200.55/36,828.88
  6. Step 6: Final answer
    x = 31,480.76

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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.