Home / 47,975.48-71,945.94-20,275.64

Finding the Fourth Proportional to 47,975.48, 71,945.94 and 20,275.64

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Solution

The fourth proportional to 47,975.48, 71,945.94 and 20,275.64 is: 30,406.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,975.48 : 71,945.94 = 20,275.64 : x
  2. Step 2: Convert to fraction form
    47,975.48/71,945.94 = 20,275.64/x
  3. Step 3: Cross multiply
    47,975.48x = 71,945.94 × 20,275.64
  4. Step 4: Simplify right side
    47,975.48x = 1,458,749,978.90
  5. Step 5: Solve for x
    x = 1,458,749,978.90/47,975.48
  6. Step 6: Final answer
    x = 30,406.16

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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.