Home / 55,134.50-82,729.08-21,853.82

Finding the Fourth Proportional to 55,134.50, 82,729.08 and 21,853.82

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Solution

The fourth proportional to 55,134.50, 82,729.08 and 21,853.82 is: 32,791.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,134.50 : 82,729.08 = 21,853.82 : x
  2. Step 2: Convert to fraction form
    55,134.50/82,729.08 = 21,853.82/x
  3. Step 3: Cross multiply
    55,134.50x = 82,729.08 × 21,853.82
  4. Step 4: Simplify right side
    55,134.50x = 1,807,946,629.91
  5. Step 5: Solve for x
    x = 1,807,946,629.91/55,134.50
  6. Step 6: Final answer
    x = 32,791.57

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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.