Home / 50,318.11-75,448.01-20,702.49

Finding the Fourth Proportional to 50,318.11, 75,448.01 and 20,702.49

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Solution

The fourth proportional to 50,318.11, 75,448.01 and 20,702.49 is: 31,041.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,318.11 : 75,448.01 = 20,702.49 : x
  2. Step 2: Convert to fraction form
    50,318.11/75,448.01 = 20,702.49/x
  3. Step 3: Cross multiply
    50,318.11x = 75,448.01 × 20,702.49
  4. Step 4: Simplify right side
    50,318.11x = 1,561,961,324.92
  5. Step 5: Solve for x
    x = 1,561,961,324.92/50,318.11
  6. Step 6: Final answer
    x = 31,041.73

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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.