Home / 47,378.40-71,067.36-44,491.36

Finding the Fourth Proportional to 47,378.40, 71,067.36 and 44,491.36

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Solution

The fourth proportional to 47,378.40, 71,067.36 and 44,491.36 is: 66,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.40 : 71,067.36 = 44,491.36 : x
  2. Step 2: Convert to fraction form
    47,378.40/71,067.36 = 44,491.36/x
  3. Step 3: Cross multiply
    47,378.40x = 71,067.36 × 44,491.36
  4. Step 4: Simplify right side
    47,378.40x = 3,161,883,498.01
  5. Step 5: Solve for x
    x = 3,161,883,498.01/47,378.40
  6. Step 6: Final answer
    x = 66,736.81

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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.