Home / 45,453.57-68,180.28-20,464.42

Finding the Fourth Proportional to 45,453.57, 68,180.28 and 20,464.42

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Solution

The fourth proportional to 45,453.57, 68,180.28 and 20,464.42 is: 30,696.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,453.57 : 68,180.28 = 20,464.42 : x
  2. Step 2: Convert to fraction form
    45,453.57/68,180.28 = 20,464.42/x
  3. Step 3: Cross multiply
    45,453.57x = 68,180.28 × 20,464.42
  4. Step 4: Simplify right side
    45,453.57x = 1,395,269,885.64
  5. Step 5: Solve for x
    x = 1,395,269,885.64/45,453.57
  6. Step 6: Final answer
    x = 30,696.60

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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.