Home / 49,145.20-73,717.80-19,561.20

Finding the Fourth Proportional to 49,145.20, 73,717.80 and 19,561.20

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Solution

The fourth proportional to 49,145.20, 73,717.80 and 19,561.20 is: 29,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.20 : 73,717.80 = 19,561.20 : x
  2. Step 2: Convert to fraction form
    49,145.20/73,717.80 = 19,561.20/x
  3. Step 3: Cross multiply
    49,145.20x = 73,717.80 × 19,561.20
  4. Step 4: Simplify right side
    49,145.20x = 1,442,008,629.36
  5. Step 5: Solve for x
    x = 1,442,008,629.36/49,145.20
  6. Step 6: Final answer
    x = 29,341.80

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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.