Home / 47,945.24-71,928.24-18,363.08

Finding the Fourth Proportional to 47,945.24, 71,928.24 and 18,363.08

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Solution

The fourth proportional to 47,945.24, 71,928.24 and 18,363.08 is: 27,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945.24 : 71,928.24 = 18,363.08 : x
  2. Step 2: Convert to fraction form
    47,945.24/71,928.24 = 18,363.08/x
  3. Step 3: Cross multiply
    47,945.24x = 71,928.24 × 18,363.08
  4. Step 4: Simplify right side
    47,945.24x = 1,320,824,025.38
  5. Step 5: Solve for x
    x = 1,320,824,025.38/47,945.24
  6. Step 6: Final answer
    x = 27,548.60

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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.