Home / 51,518.44-77,288.73-15,979.02

Finding the Fourth Proportional to 51,518.44, 77,288.73 and 15,979.02

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Solution

The fourth proportional to 51,518.44, 77,288.73 and 15,979.02 is: 23,971.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.44 : 77,288.73 = 15,979.02 : x
  2. Step 2: Convert to fraction form
    51,518.44/77,288.73 = 15,979.02/x
  3. Step 3: Cross multiply
    51,518.44x = 77,288.73 × 15,979.02
  4. Step 4: Simplify right side
    51,518.44x = 1,234,998,162.44
  5. Step 5: Solve for x
    x = 1,234,998,162.44/51,518.44
  6. Step 6: Final answer
    x = 23,971.96

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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.