Home / 53,234.75-79,839.82-15,785.78

Finding the Fourth Proportional to 53,234.75, 79,839.82 and 15,785.78

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Solution

The fourth proportional to 53,234.75, 79,839.82 and 15,785.78 is: 23,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,234.75 : 79,839.82 = 15,785.78 : x
  2. Step 2: Convert to fraction form
    53,234.75/79,839.82 = 15,785.78/x
  3. Step 3: Cross multiply
    53,234.75x = 79,839.82 × 15,785.78
  4. Step 4: Simplify right side
    53,234.75x = 1,260,333,754.83
  5. Step 5: Solve for x
    x = 1,260,333,754.83/53,234.75
  6. Step 6: Final answer
    x = 23,675.02

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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.