Home / 34,288.38-47,327.22-20,150.64

Finding the Fourth Proportional to 34,288.38, 47,327.22 and 20,150.64

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Solution

The fourth proportional to 34,288.38, 47,327.22 and 20,150.64 is: 27,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,288.38 : 47,327.22 = 20,150.64 : x
  2. Step 2: Convert to fraction form
    34,288.38/47,327.22 = 20,150.64/x
  3. Step 3: Cross multiply
    34,288.38x = 47,327.22 × 20,150.64
  4. Step 4: Simplify right side
    34,288.38x = 953,673,772.42
  5. Step 5: Solve for x
    x = 953,673,772.42/34,288.38
  6. Step 6: Final answer
    x = 27,813.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.