Home / 35,418.20-48,872.03-20,311.49

Finding the Fourth Proportional to 35,418.20, 48,872.03 and 20,311.49

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Solution

The fourth proportional to 35,418.20, 48,872.03 and 20,311.49 is: 28,026.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,418.20 : 48,872.03 = 20,311.49 : x
  2. Step 2: Convert to fraction form
    35,418.20/48,872.03 = 20,311.49/x
  3. Step 3: Cross multiply
    35,418.20x = 48,872.03 × 20,311.49
  4. Step 4: Simplify right side
    35,418.20x = 992,663,769.25
  5. Step 5: Solve for x
    x = 992,663,769.25/35,418.20
  6. Step 6: Final answer
    x = 28,026.94

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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.