Home / 38,467.01-57,703.76-12,171.17

Finding the Fourth Proportional to 38,467.01, 57,703.76 and 12,171.17

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Solution

The fourth proportional to 38,467.01, 57,703.76 and 12,171.17 is: 18,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.01 : 57,703.76 = 12,171.17 : x
  2. Step 2: Convert to fraction form
    38,467.01/57,703.76 = 12,171.17/x
  3. Step 3: Cross multiply
    38,467.01x = 57,703.76 × 12,171.17
  4. Step 4: Simplify right side
    38,467.01x = 702,322,272.60
  5. Step 5: Solve for x
    x = 702,322,272.60/38,467.01
  6. Step 6: Final answer
    x = 18,257.78

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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.