Home / 47,400.41-71,039.12-19,287.74

Finding the Fourth Proportional to 47,400.41, 71,039.12 and 19,287.74

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Solution

The fourth proportional to 47,400.41, 71,039.12 and 19,287.74 is: 28,906.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.41 : 71,039.12 = 19,287.74 : x
  2. Step 2: Convert to fraction form
    47,400.41/71,039.12 = 19,287.74/x
  3. Step 3: Cross multiply
    47,400.41x = 71,039.12 × 19,287.74
  4. Step 4: Simplify right side
    47,400.41x = 1,370,183,624.75
  5. Step 5: Solve for x
    x = 1,370,183,624.75/47,400.41
  6. Step 6: Final answer
    x = 28,906.58

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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.