Home / 42,874.19-64,311.29-17,900.64

Finding the Fourth Proportional to 42,874.19, 64,311.29 and 17,900.64

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Solution

The fourth proportional to 42,874.19, 64,311.29 and 17,900.64 is: 26,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,874.19 : 64,311.29 = 17,900.64 : x
  2. Step 2: Convert to fraction form
    42,874.19/64,311.29 = 17,900.64/x
  3. Step 3: Cross multiply
    42,874.19x = 64,311.29 × 17,900.64
  4. Step 4: Simplify right side
    42,874.19x = 1,151,213,469.02
  5. Step 5: Solve for x
    x = 1,151,213,469.02/42,874.19
  6. Step 6: Final answer
    x = 26,850.97

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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.