Home / 45,449.78-68,178.32-15,866.96

Finding the Fourth Proportional to 45,449.78, 68,178.32 and 15,866.96

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Solution

The fourth proportional to 45,449.78, 68,178.32 and 15,866.96 is: 23,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,449.78 : 68,178.32 = 15,866.96 : x
  2. Step 2: Convert to fraction form
    45,449.78/68,178.32 = 15,866.96/x
  3. Step 3: Cross multiply
    45,449.78x = 68,178.32 × 15,866.96
  4. Step 4: Simplify right side
    45,449.78x = 1,081,782,596.97
  5. Step 5: Solve for x
    x = 1,081,782,596.97/45,449.78
  6. Step 6: Final answer
    x = 23,801.71

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1.5x scale

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.