Home / 33,455.79-50,139.94-13,711.23

Finding the Fourth Proportional to 33,455.79, 50,139.94 and 13,711.23

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Solution

The fourth proportional to 33,455.79, 50,139.94 and 13,711.23 is: 20,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,455.79 : 50,139.94 = 13,711.23 : x
  2. Step 2: Convert to fraction form
    33,455.79/50,139.94 = 13,711.23/x
  3. Step 3: Cross multiply
    33,455.79x = 50,139.94 × 13,711.23
  4. Step 4: Simplify right side
    33,455.79x = 687,480,249.53
  5. Step 5: Solve for x
    x = 687,480,249.53/33,455.79
  6. Step 6: Final answer
    x = 20,548.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.