Home / 51,234.86-76,849.48-19,660.07

Finding the Fourth Proportional to 51,234.86, 76,849.48 and 19,660.07

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Solution

The fourth proportional to 51,234.86, 76,849.48 and 19,660.07 is: 29,489.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,234.86 : 76,849.48 = 19,660.07 : x
  2. Step 2: Convert to fraction form
    51,234.86/76,849.48 = 19,660.07/x
  3. Step 3: Cross multiply
    51,234.86x = 76,849.48 × 19,660.07
  4. Step 4: Simplify right side
    51,234.86x = 1,510,866,156.26
  5. Step 5: Solve for x
    x = 1,510,866,156.26/51,234.86
  6. Step 6: Final answer
    x = 29,489.03

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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.