Home / 47,943.80-71,921.10-14,663.60

Finding the Fourth Proportional to 47,943.80, 71,921.10 and 14,663.60

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Solution

The fourth proportional to 47,943.80, 71,921.10 and 14,663.60 is: 21,997.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.80 : 71,921.10 = 14,663.60 : x
  2. Step 2: Convert to fraction form
    47,943.80/71,921.10 = 14,663.60/x
  3. Step 3: Cross multiply
    47,943.80x = 71,921.10 × 14,663.60
  4. Step 4: Simplify right side
    47,943.80x = 1,054,622,241.96
  5. Step 5: Solve for x
    x = 1,054,622,241.96/47,943.80
  6. Step 6: Final answer
    x = 21,997.05

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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.