Home / 38,477.76-57,721.52-12,173

Finding the Fourth Proportional to 38,477.76, 57,721.52 and 12,173

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Solution

The fourth proportional to 38,477.76, 57,721.52 and 12,173 is: 18,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,477.76 : 57,721.52 = 12,173 : x
  2. Step 2: Convert to fraction form
    38,477.76/57,721.52 = 12,173/x
  3. Step 3: Cross multiply
    38,477.76x = 57,721.52 × 12,173
  4. Step 4: Simplify right side
    38,477.76x = 702,644,062.96
  5. Step 5: Solve for x
    x = 702,644,062.96/38,477.76
  6. Step 6: Final answer
    x = 18,261.04

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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.