Home / 53,301.20-79,930.20-18,222.80

Finding the Fourth Proportional to 53,301.20, 79,930.20 and 18,222.80

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Solution

The fourth proportional to 53,301.20, 79,930.20 and 18,222.80 is: 27,326.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,301.20 : 79,930.20 = 18,222.80 : x
  2. Step 2: Convert to fraction form
    53,301.20/79,930.20 = 18,222.80/x
  3. Step 3: Cross multiply
    53,301.20x = 79,930.20 × 18,222.80
  4. Step 4: Simplify right side
    53,301.20x = 1,456,552,048.56
  5. Step 5: Solve for x
    x = 1,456,552,048.56/53,301.20
  6. Step 6: Final answer
    x = 27,326.82

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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.