Home / 45,645.75-68,474.40-15,665.84

Finding the Fourth Proportional to 45,645.75, 68,474.40 and 15,665.84

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Solution

The fourth proportional to 45,645.75, 68,474.40 and 15,665.84 is: 23,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,645.75 : 68,474.40 = 15,665.84 : x
  2. Step 2: Convert to fraction form
    45,645.75/68,474.40 = 15,665.84/x
  3. Step 3: Cross multiply
    45,645.75x = 68,474.40 × 15,665.84
  4. Step 4: Simplify right side
    45,645.75x = 1,072,708,652.12
  5. Step 5: Solve for x
    x = 1,072,708,652.12/45,645.75
  6. Step 6: Final answer
    x = 23,500.73

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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.