Home / 45,490.68-68,255.87-15,929.73

Finding the Fourth Proportional to 45,490.68, 68,255.87 and 15,929.73

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Solution

The fourth proportional to 45,490.68, 68,255.87 and 15,929.73 is: 23,901.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,490.68 : 68,255.87 = 15,929.73 : x
  2. Step 2: Convert to fraction form
    45,490.68/68,255.87 = 15,929.73/x
  3. Step 3: Cross multiply
    45,490.68x = 68,255.87 × 15,929.73
  4. Step 4: Simplify right side
    45,490.68x = 1,087,297,500.37
  5. Step 5: Solve for x
    x = 1,087,297,500.37/45,490.68
  6. Step 6: Final answer
    x = 23,901.54

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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.