Home / 33,662.80-50,438.64-20,475.28

Finding the Fourth Proportional to 33,662.80, 50,438.64 and 20,475.28

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Solution

The fourth proportional to 33,662.80, 50,438.64 and 20,475.28 is: 30,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,662.80 : 50,438.64 = 20,475.28 : x
  2. Step 2: Convert to fraction form
    33,662.80/50,438.64 = 20,475.28/x
  3. Step 3: Cross multiply
    33,662.80x = 50,438.64 × 20,475.28
  4. Step 4: Simplify right side
    33,662.80x = 1,032,745,276.82
  5. Step 5: Solve for x
    x = 1,032,745,276.82/33,662.80
  6. Step 6: Final answer
    x = 30,679.13

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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.