Home / 35,645.54-49,188.94-21,305.70

Finding the Fourth Proportional to 35,645.54, 49,188.94 and 21,305.70

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Solution

The fourth proportional to 35,645.54, 49,188.94 and 21,305.70 is: 29,400.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,645.54 : 49,188.94 = 21,305.70 : x
  2. Step 2: Convert to fraction form
    35,645.54/49,188.94 = 21,305.70/x
  3. Step 3: Cross multiply
    35,645.54x = 49,188.94 × 21,305.70
  4. Step 4: Simplify right side
    35,645.54x = 1,048,004,745.69
  5. Step 5: Solve for x
    x = 1,048,004,745.69/35,645.54
  6. Step 6: Final answer
    x = 29,400.73

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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.