Home / 51,518.57-77,288.92-15,979.14

Finding the Fourth Proportional to 51,518.57, 77,288.92 and 15,979.14

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Solution

The fourth proportional to 51,518.57, 77,288.92 and 15,979.14 is: 23,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,518.57 : 77,288.92 = 15,979.14 : x
  2. Step 2: Convert to fraction form
    51,518.57/77,288.92 = 15,979.14/x
  3. Step 3: Cross multiply
    51,518.57x = 77,288.92 × 15,979.14
  4. Step 4: Simplify right side
    51,518.57x = 1,235,010,433.18
  5. Step 5: Solve for x
    x = 1,235,010,433.18/51,518.57
  6. Step 6: Final answer
    x = 23,972.14

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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.