Home / 49,235.20-73,812.30-21,176.80

Finding the Fourth Proportional to 49,235.20, 73,812.30 and 21,176.80

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Solution

The fourth proportional to 49,235.20, 73,812.30 and 21,176.80 is: 31,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,235.20 : 73,812.30 = 21,176.80 : x
  2. Step 2: Convert to fraction form
    49,235.20/73,812.30 = 21,176.80/x
  3. Step 3: Cross multiply
    49,235.20x = 73,812.30 × 21,176.80
  4. Step 4: Simplify right side
    49,235.20x = 1,563,108,314.64
  5. Step 5: Solve for x
    x = 1,563,108,314.64/49,235.20
  6. Step 6: Final answer
    x = 31,747.78

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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.