Home / 47,921.52-71,832.96-18,331.32

Finding the Fourth Proportional to 47,921.52, 71,832.96 and 18,331.32

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Solution

The fourth proportional to 47,921.52, 71,832.96 and 18,331.32 is: 27,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.52 : 71,832.96 = 18,331.32 : x
  2. Step 2: Convert to fraction form
    47,921.52/71,832.96 = 18,331.32/x
  3. Step 3: Cross multiply
    47,921.52x = 71,832.96 × 18,331.32
  4. Step 4: Simplify right side
    47,921.52x = 1,316,792,976.31
  5. Step 5: Solve for x
    x = 1,316,792,976.31/47,921.52
  6. Step 6: Final answer
    x = 27,478.11

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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.