Home / 64,874.38-97,303.20-20,505.62

Finding the Fourth Proportional to 64,874.38, 97,303.20 and 20,505.62

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Solution

The fourth proportional to 64,874.38, 97,303.20 and 20,505.62 is: 30,755.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.38 : 97,303.20 = 20,505.62 : x
  2. Step 2: Convert to fraction form
    64,874.38/97,303.20 = 20,505.62/x
  3. Step 3: Cross multiply
    64,874.38x = 97,303.20 × 20,505.62
  4. Step 4: Simplify right side
    64,874.38x = 1,995,262,443.98
  5. Step 5: Solve for x
    x = 1,995,262,443.98/64,874.38
  6. Step 6: Final answer
    x = 30,755.78

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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.