Home / 35,511.30-49,007.97-20,408.85

Finding the Fourth Proportional to 35,511.30, 49,007.97 and 20,408.85

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Solution

The fourth proportional to 35,511.30, 49,007.97 and 20,408.85 is: 28,165.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,511.30 : 49,007.97 = 20,408.85 : x
  2. Step 2: Convert to fraction form
    35,511.30/49,007.97 = 20,408.85/x
  3. Step 3: Cross multiply
    35,511.30x = 49,007.97 × 20,408.85
  4. Step 4: Simplify right side
    35,511.30x = 1,000,196,308.53
  5. Step 5: Solve for x
    x = 1,000,196,308.53/35,511.30
  6. Step 6: Final answer
    x = 28,165.58

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1.5x scale

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.