Home / 73,864.82-110,787.50-20,560.34

Finding the Fourth Proportional to 73,864.82, 110,787.50 and 20,560.34

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Solution

The fourth proportional to 73,864.82, 110,787.50 and 20,560.34 is: 30,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.82 : 110,787.50 = 20,560.34 : x
  2. Step 2: Convert to fraction form
    73,864.82/110,787.50 = 20,560.34/x
  3. Step 3: Cross multiply
    73,864.82x = 110,787.50 × 20,560.34
  4. Step 4: Simplify right side
    73,864.82x = 2,277,828,667.75
  5. Step 5: Solve for x
    x = 2,277,828,667.75/73,864.82
  6. Step 6: Final answer
    x = 30,837.80

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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.