Home / 47,141.14-70,760.91-20,864.35

Finding the Fourth Proportional to 47,141.14, 70,760.91 and 20,864.35

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Solution

The fourth proportional to 47,141.14, 70,760.91 and 20,864.35 is: 31,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,141.14 : 70,760.91 = 20,864.35 : x
  2. Step 2: Convert to fraction form
    47,141.14/70,760.91 = 20,864.35/x
  3. Step 3: Cross multiply
    47,141.14x = 70,760.91 × 20,864.35
  4. Step 4: Simplify right side
    47,141.14x = 1,476,380,392.56
  5. Step 5: Solve for x
    x = 1,476,380,392.56/47,141.14
  6. Step 6: Final answer
    x = 31,318.30

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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.