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Finding the Fourth Proportional to 55,223.88, 82,835.81 and 13,670.88

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Solution

The fourth proportional to 55,223.88, 82,835.81 and 13,670.88 is: 20,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.88 : 82,835.81 = 13,670.88 : x
  2. Step 2: Convert to fraction form
    55,223.88/82,835.81 = 13,670.88/x
  3. Step 3: Cross multiply
    55,223.88x = 82,835.81 × 13,670.88
  4. Step 4: Simplify right side
    55,223.88x = 1,132,438,418.21
  5. Step 5: Solve for x
    x = 1,132,438,418.21/55,223.88
  6. Step 6: Final answer
    x = 20,506.32

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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.