Home / 51,003.88-70,388.46-28,343.02

Finding the Fourth Proportional to 51,003.88, 70,388.46 and 28,343.02

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Solution

The fourth proportional to 51,003.88, 70,388.46 and 28,343.02 is: 39,115.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,003.88 : 70,388.46 = 28,343.02 : x
  2. Step 2: Convert to fraction form
    51,003.88/70,388.46 = 28,343.02/x
  3. Step 3: Cross multiply
    51,003.88x = 70,388.46 × 28,343.02
  4. Step 4: Simplify right side
    51,003.88x = 1,995,021,529.55
  5. Step 5: Solve for x
    x = 1,995,021,529.55/51,003.88
  6. Step 6: Final answer
    x = 39,115.09

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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.