Home / 51,188.73-76,784.31-13,748.85

Finding the Fourth Proportional to 51,188.73, 76,784.31 and 13,748.85

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Solution

The fourth proportional to 51,188.73, 76,784.31 and 13,748.85 is: 20,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.73 : 76,784.31 = 13,748.85 : x
  2. Step 2: Convert to fraction form
    51,188.73/76,784.31 = 13,748.85/x
  3. Step 3: Cross multiply
    51,188.73x = 76,784.31 × 13,748.85
  4. Step 4: Simplify right side
    51,188.73x = 1,055,695,960.54
  5. Step 5: Solve for x
    x = 1,055,695,960.54/51,188.73
  6. Step 6: Final answer
    x = 20,623.60

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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.