Home / 64,135.78-96,205.36-30,393.88

Finding the Fourth Proportional to 64,135.78, 96,205.36 and 30,393.88

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Solution

The fourth proportional to 64,135.78, 96,205.36 and 30,393.88 is: 45,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.78 : 96,205.36 = 30,393.88 : x
  2. Step 2: Convert to fraction form
    64,135.78/96,205.36 = 30,393.88/x
  3. Step 3: Cross multiply
    64,135.78x = 96,205.36 × 30,393.88
  4. Step 4: Simplify right side
    64,135.78x = 2,924,054,167.20
  5. Step 5: Solve for x
    x = 2,924,054,167.20/64,135.78
  6. Step 6: Final answer
    x = 45,591.62

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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.