Home / 39,592.42-54,635.52-21,683.98

Finding the Fourth Proportional to 39,592.42, 54,635.52 and 21,683.98

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Solution

The fourth proportional to 39,592.42, 54,635.52 and 21,683.98 is: 29,922.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,592.42 : 54,635.52 = 21,683.98 : x
  2. Step 2: Convert to fraction form
    39,592.42/54,635.52 = 21,683.98/x
  3. Step 3: Cross multiply
    39,592.42x = 54,635.52 × 21,683.98
  4. Step 4: Simplify right side
    39,592.42x = 1,184,715,522.97
  5. Step 5: Solve for x
    x = 1,184,715,522.97/39,592.42
  6. Step 6: Final answer
    x = 29,922.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.