Home / 47,350.76-71,042.61-21,074.36

Finding the Fourth Proportional to 47,350.76, 71,042.61 and 21,074.36

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Solution

The fourth proportional to 47,350.76, 71,042.61 and 21,074.36 is: 31,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,350.76 : 71,042.61 = 21,074.36 : x
  2. Step 2: Convert to fraction form
    47,350.76/71,042.61 = 21,074.36/x
  3. Step 3: Cross multiply
    47,350.76x = 71,042.61 × 21,074.36
  4. Step 4: Simplify right side
    47,350.76x = 1,497,177,538.48
  5. Step 5: Solve for x
    x = 1,497,177,538.48/47,350.76
  6. Step 6: Final answer
    x = 31,618.87

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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.