Home / 51,375.20-70,896.38-28,714.37

Finding the Fourth Proportional to 51,375.20, 70,896.38 and 28,714.37

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Solution

The fourth proportional to 51,375.20, 70,896.38 and 28,714.37 is: 39,625.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,375.20 : 70,896.38 = 28,714.37 : x
  2. Step 2: Convert to fraction form
    51,375.20/70,896.38 = 28,714.37/x
  3. Step 3: Cross multiply
    51,375.20x = 70,896.38 × 28,714.37
  4. Step 4: Simplify right side
    51,375.20x = 2,035,744,388.93
  5. Step 5: Solve for x
    x = 2,035,744,388.93/51,375.20
  6. Step 6: Final answer
    x = 39,625.04

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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.