Home / 51,048.82-76,573.18-15,991.21

Finding the Fourth Proportional to 51,048.82, 76,573.18 and 15,991.21

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Solution

The fourth proportional to 51,048.82, 76,573.18 and 15,991.21 is: 23,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.82 : 76,573.18 = 15,991.21 : x
  2. Step 2: Convert to fraction form
    51,048.82/76,573.18 = 15,991.21/x
  3. Step 3: Cross multiply
    51,048.82x = 76,573.18 × 15,991.21
  4. Step 4: Simplify right side
    51,048.82x = 1,224,497,801.75
  5. Step 5: Solve for x
    x = 1,224,497,801.75/51,048.82
  6. Step 6: Final answer
    x = 23,986.80

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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.