Home / 51,061.44-76,601.88-15,991.68

Finding the Fourth Proportional to 51,061.44, 76,601.88 and 15,991.68

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Solution

The fourth proportional to 51,061.44, 76,601.88 and 15,991.68 is: 23,990.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,061.44 : 76,601.88 = 15,991.68 : x
  2. Step 2: Convert to fraction form
    51,061.44/76,601.88 = 15,991.68/x
  3. Step 3: Cross multiply
    51,061.44x = 76,601.88 × 15,991.68
  4. Step 4: Simplify right side
    51,061.44x = 1,224,992,752.36
  5. Step 5: Solve for x
    x = 1,224,992,752.36/51,061.44
  6. Step 6: Final answer
    x = 23,990.56

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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.