Home / 47,395.20-71,198.40-39,619.20

Finding the Fourth Proportional to 47,395.20, 71,198.40 and 39,619.20

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Solution

The fourth proportional to 47,395.20, 71,198.40 and 39,619.20 is: 59,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.20 : 71,198.40 = 39,619.20 : x
  2. Step 2: Convert to fraction form
    47,395.20/71,198.40 = 39,619.20/x
  3. Step 3: Cross multiply
    47,395.20x = 71,198.40 × 39,619.20
  4. Step 4: Simplify right side
    47,395.20x = 2,820,823,649.28
  5. Step 5: Solve for x
    x = 2,820,823,649.28/47,395.20
  6. Step 6: Final answer
    x = 59,517.07

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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.