Home / 56,121.56-84,218.76-29,844.72

Finding the Fourth Proportional to 56,121.56, 84,218.76 and 29,844.72

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Solution

The fourth proportional to 56,121.56, 84,218.76 and 29,844.72 is: 44,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,121.56 : 84,218.76 = 29,844.72 : x
  2. Step 2: Convert to fraction form
    56,121.56/84,218.76 = 29,844.72/x
  3. Step 3: Cross multiply
    56,121.56x = 84,218.76 × 29,844.72
  4. Step 4: Simplify right side
    56,121.56x = 2,513,485,310.95
  5. Step 5: Solve for x
    x = 2,513,485,310.95/56,121.56
  6. Step 6: Final answer
    x = 44,786.45

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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.