Home / 47,921.96-71,891.98-18,337.32

Finding the Fourth Proportional to 47,921.96, 71,891.98 and 18,337.32

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Solution

The fourth proportional to 47,921.96, 71,891.98 and 18,337.32 is: 27,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,921.96 : 71,891.98 = 18,337.32 : x
  2. Step 2: Convert to fraction form
    47,921.96/71,891.98 = 18,337.32/x
  3. Step 3: Cross multiply
    47,921.96x = 71,891.98 × 18,337.32
  4. Step 4: Simplify right side
    47,921.96x = 1,318,306,242.69
  5. Step 5: Solve for x
    x = 1,318,306,242.69/47,921.96
  6. Step 6: Final answer
    x = 27,509.44

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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.