Home / 36,947.34-50,979.78-21,027.60

Finding the Fourth Proportional to 36,947.34, 50,979.78 and 21,027.60

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Solution

The fourth proportional to 36,947.34, 50,979.78 and 21,027.60 is: 29,013.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,947.34 : 50,979.78 = 21,027.60 : x
  2. Step 2: Convert to fraction form
    36,947.34/50,979.78 = 21,027.60/x
  3. Step 3: Cross multiply
    36,947.34x = 50,979.78 × 21,027.60
  4. Step 4: Simplify right side
    36,947.34x = 1,071,982,421.93
  5. Step 5: Solve for x
    x = 1,071,982,421.93/36,947.34
  6. Step 6: Final answer
    x = 29,013.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.