Home / 35,545.37-49,062.11-20,439.68

Finding the Fourth Proportional to 35,545.37, 49,062.11 and 20,439.68

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Solution

The fourth proportional to 35,545.37, 49,062.11 and 20,439.68 is: 28,212.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,545.37 : 49,062.11 = 20,439.68 : x
  2. Step 2: Convert to fraction form
    35,545.37/49,062.11 = 20,439.68/x
  3. Step 3: Cross multiply
    35,545.37x = 49,062.11 × 20,439.68
  4. Step 4: Simplify right side
    35,545.37x = 1,002,813,481.02
  5. Step 5: Solve for x
    x = 1,002,813,481.02/35,545.37
  6. Step 6: Final answer
    x = 28,212.22

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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.