Home / 36,261.38-50,038.08-20,129.56

Finding the Fourth Proportional to 36,261.38, 50,038.08 and 20,129.56

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Solution

The fourth proportional to 36,261.38, 50,038.08 and 20,129.56 is: 27,777.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,261.38 : 50,038.08 = 20,129.56 : x
  2. Step 2: Convert to fraction form
    36,261.38/50,038.08 = 20,129.56/x
  3. Step 3: Cross multiply
    36,261.38x = 50,038.08 × 20,129.56
  4. Step 4: Simplify right side
    36,261.38x = 1,007,244,533.64
  5. Step 5: Solve for x
    x = 1,007,244,533.64/36,261.38
  6. Step 6: Final answer
    x = 27,777.34

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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.