Home / 35,626.46-49,163.60-20,518.78

Finding the Fourth Proportional to 35,626.46, 49,163.60 and 20,518.78

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Solution

The fourth proportional to 35,626.46, 49,163.60 and 20,518.78 is: 28,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,626.46 : 49,163.60 = 20,518.78 : x
  2. Step 2: Convert to fraction form
    35,626.46/49,163.60 = 20,518.78/x
  3. Step 3: Cross multiply
    35,626.46x = 49,163.60 × 20,518.78
  4. Step 4: Simplify right side
    35,626.46x = 1,008,777,092.41
  5. Step 5: Solve for x
    x = 1,008,777,092.41/35,626.46
  6. Step 6: Final answer
    x = 28,315.39

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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.