Home / 47,712.32-71,593.09-19,653.11

Finding the Fourth Proportional to 47,712.32, 71,593.09 and 19,653.11

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Solution

The fourth proportional to 47,712.32, 71,593.09 and 19,653.11 is: 29,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.32 : 71,593.09 = 19,653.11 : x
  2. Step 2: Convert to fraction form
    47,712.32/71,593.09 = 19,653.11/x
  3. Step 3: Cross multiply
    47,712.32x = 71,593.09 × 19,653.11
  4. Step 4: Simplify right side
    47,712.32x = 1,407,027,192.37
  5. Step 5: Solve for x
    x = 1,407,027,192.37/47,712.32
  6. Step 6: Final answer
    x = 29,489.81

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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.