Home / 38,174.75-57,203.73-20,407.94

Finding the Fourth Proportional to 38,174.75, 57,203.73 and 20,407.94

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Solution

The fourth proportional to 38,174.75, 57,203.73 and 20,407.94 is: 30,580.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,174.75 : 57,203.73 = 20,407.94 : x
  2. Step 2: Convert to fraction form
    38,174.75/57,203.73 = 20,407.94/x
  3. Step 3: Cross multiply
    38,174.75x = 57,203.73 × 20,407.94
  4. Step 4: Simplify right side
    38,174.75x = 1,167,410,289.62
  5. Step 5: Solve for x
    x = 1,167,410,289.62/38,174.75
  6. Step 6: Final answer
    x = 30,580.69

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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.