Home / 47,389.20-71,035.20-27,657.60

Finding the Fourth Proportional to 47,389.20, 71,035.20 and 27,657.60

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Solution

The fourth proportional to 47,389.20, 71,035.20 and 27,657.60 is: 41,458.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.20 : 71,035.20 = 27,657.60 : x
  2. Step 2: Convert to fraction form
    47,389.20/71,035.20 = 27,657.60/x
  3. Step 3: Cross multiply
    47,389.20x = 71,035.20 × 27,657.60
  4. Step 4: Simplify right side
    47,389.20x = 1,964,663,147.52
  5. Step 5: Solve for x
    x = 1,964,663,147.52/47,389.20
  6. Step 6: Final answer
    x = 41,458.04

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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.