Home / 47,110.14-70,654.28-13,821.27

Finding the Fourth Proportional to 47,110.14, 70,654.28 and 13,821.27

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Solution

The fourth proportional to 47,110.14, 70,654.28 and 13,821.27 is: 20,728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,110.14 : 70,654.28 = 13,821.27 : x
  2. Step 2: Convert to fraction form
    47,110.14/70,654.28 = 13,821.27/x
  3. Step 3: Cross multiply
    47,110.14x = 70,654.28 × 13,821.27
  4. Step 4: Simplify right side
    47,110.14x = 976,531,546.48
  5. Step 5: Solve for x
    x = 976,531,546.48/47,110.14
  6. Step 6: Final answer
    x = 20,728.69

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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.