Home / 45,451.57-68,177.28-20,462.42

Finding the Fourth Proportional to 45,451.57, 68,177.28 and 20,462.42

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Solution

The fourth proportional to 45,451.57, 68,177.28 and 20,462.42 is: 30,693.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,451.57 : 68,177.28 = 20,462.42 : x
  2. Step 2: Convert to fraction form
    45,451.57/68,177.28 = 20,462.42/x
  3. Step 3: Cross multiply
    45,451.57x = 68,177.28 × 20,462.42
  4. Step 4: Simplify right side
    45,451.57x = 1,395,072,226.73
  5. Step 5: Solve for x
    x = 1,395,072,226.73/45,451.57
  6. Step 6: Final answer
    x = 30,693.60

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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.