Home / 49,315.70-73,864.20-19,718.30

Finding the Fourth Proportional to 49,315.70, 73,864.20 and 19,718.30

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Solution

The fourth proportional to 49,315.70, 73,864.20 and 19,718.30 is: 29,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,315.70 : 73,864.20 = 19,718.30 : x
  2. Step 2: Convert to fraction form
    49,315.70/73,864.20 = 19,718.30/x
  3. Step 3: Cross multiply
    49,315.70x = 73,864.20 × 19,718.30
  4. Step 4: Simplify right side
    49,315.70x = 1,456,476,454.86
  5. Step 5: Solve for x
    x = 1,456,476,454.86/49,315.70
  6. Step 6: Final answer
    x = 29,533.73

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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.