Home / 49,231.42-67,931.81-27,720.05

Finding the Fourth Proportional to 49,231.42, 67,931.81 and 27,720.05

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Solution

The fourth proportional to 49,231.42, 67,931.81 and 27,720.05 is: 38,249.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231.42 : 67,931.81 = 27,720.05 : x
  2. Step 2: Convert to fraction form
    49,231.42/67,931.81 = 27,720.05/x
  3. Step 3: Cross multiply
    49,231.42x = 67,931.81 × 27,720.05
  4. Step 4: Simplify right side
    49,231.42x = 1,883,073,396.93
  5. Step 5: Solve for x
    x = 1,883,073,396.93/49,231.42
  6. Step 6: Final answer
    x = 38,249.42

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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.