Home / 64,754.36-97,138.50-20,382.44

Finding the Fourth Proportional to 64,754.36, 97,138.50 and 20,382.44

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Solution

The fourth proportional to 64,754.36, 97,138.50 and 20,382.44 is: 30,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,754.36 : 97,138.50 = 20,382.44 : x
  2. Step 2: Convert to fraction form
    64,754.36/97,138.50 = 20,382.44/x
  3. Step 3: Cross multiply
    64,754.36x = 97,138.50 × 20,382.44
  4. Step 4: Simplify right side
    64,754.36x = 1,979,919,647.94
  5. Step 5: Solve for x
    x = 1,979,919,647.94/64,754.36
  6. Step 6: Final answer
    x = 30,575.85

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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.