Home / 49,219.20-73,828.80-40,471.20

Finding the Fourth Proportional to 49,219.20, 73,828.80 and 40,471.20

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Solution

The fourth proportional to 49,219.20, 73,828.80 and 40,471.20 is: 60,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,219.20 : 73,828.80 = 40,471.20 : x
  2. Step 2: Convert to fraction form
    49,219.20/73,828.80 = 40,471.20/x
  3. Step 3: Cross multiply
    49,219.20x = 73,828.80 × 40,471.20
  4. Step 4: Simplify right side
    49,219.20x = 2,987,940,130.56
  5. Step 5: Solve for x
    x = 2,987,940,130.56/49,219.20
  6. Step 6: Final answer
    x = 60,706.80

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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.