Home / 51,218.40-76,824.85-15,679.73

Finding the Fourth Proportional to 51,218.40, 76,824.85 and 15,679.73

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Solution

The fourth proportional to 51,218.40, 76,824.85 and 15,679.73 is: 23,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.40 : 76,824.85 = 15,679.73 : x
  2. Step 2: Convert to fraction form
    51,218.40/76,824.85 = 15,679.73/x
  3. Step 3: Cross multiply
    51,218.40x = 76,824.85 × 15,679.73
  4. Step 4: Simplify right side
    51,218.40x = 1,204,592,905.29
  5. Step 5: Solve for x
    x = 1,204,592,905.29/51,218.40
  6. Step 6: Final answer
    x = 23,518.75

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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.