Home / 35,993.21-49,670.55-20,076.71

Finding the Fourth Proportional to 35,993.21, 49,670.55 and 20,076.71

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Solution

The fourth proportional to 35,993.21, 49,670.55 and 20,076.71 is: 27,705.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,993.21 : 49,670.55 = 20,076.71 : x
  2. Step 2: Convert to fraction form
    35,993.21/49,670.55 = 20,076.71/x
  3. Step 3: Cross multiply
    35,993.21x = 49,670.55 × 20,076.71
  4. Step 4: Simplify right side
    35,993.21x = 997,220,979.54
  5. Step 5: Solve for x
    x = 997,220,979.54/35,993.21
  6. Step 6: Final answer
    x = 27,705.81

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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.