Home / 51,247.44-70,722-28,588.50

Finding the Fourth Proportional to 51,247.44, 70,722 and 28,588.50

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Solution

The fourth proportional to 51,247.44, 70,722 and 28,588.50 is: 39,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.44 : 70,722 = 28,588.50 : x
  2. Step 2: Convert to fraction form
    51,247.44/70,722 = 28,588.50/x
  3. Step 3: Cross multiply
    51,247.44x = 70,722 × 28,588.50
  4. Step 4: Simplify right side
    51,247.44x = 2,021,835,897
  5. Step 5: Solve for x
    x = 2,021,835,897/51,247.44
  6. Step 6: Final answer
    x = 39,452.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.