Home / 45,458.89-68,188.83-15,876.79

Finding the Fourth Proportional to 45,458.89, 68,188.83 and 15,876.79

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Solution

The fourth proportional to 45,458.89, 68,188.83 and 15,876.79 is: 23,815.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,458.89 : 68,188.83 = 15,876.79 : x
  2. Step 2: Convert to fraction form
    45,458.89/68,188.83 = 15,876.79/x
  3. Step 3: Cross multiply
    45,458.89x = 68,188.83 × 15,876.79
  4. Step 4: Simplify right side
    45,458.89x = 1,082,619,734.26
  5. Step 5: Solve for x
    x = 1,082,619,734.26/45,458.89
  6. Step 6: Final answer
    x = 23,815.36

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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.