Home / 55,173.78-82,736.37-15,721.92

Finding the Fourth Proportional to 55,173.78, 82,736.37 and 15,721.92

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Solution

The fourth proportional to 55,173.78, 82,736.37 and 15,721.92 is: 23,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.78 : 82,736.37 = 15,721.92 : x
  2. Step 2: Convert to fraction form
    55,173.78/82,736.37 = 15,721.92/x
  3. Step 3: Cross multiply
    55,173.78x = 82,736.37 × 15,721.92
  4. Step 4: Simplify right side
    55,173.78x = 1,300,774,590.23
  5. Step 5: Solve for x
    x = 1,300,774,590.23/55,173.78
  6. Step 6: Final answer
    x = 23,575.96

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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.