Home / 49,638.52-74,463.22-21,539.26

Finding the Fourth Proportional to 49,638.52, 74,463.22 and 21,539.26

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Solution

The fourth proportional to 49,638.52, 74,463.22 and 21,539.26 is: 32,311.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,638.52 : 74,463.22 = 21,539.26 : x
  2. Step 2: Convert to fraction form
    49,638.52/74,463.22 = 21,539.26/x
  3. Step 3: Cross multiply
    49,638.52x = 74,463.22 × 21,539.26
  4. Step 4: Simplify right side
    49,638.52x = 1,603,882,229.85
  5. Step 5: Solve for x
    x = 1,603,882,229.85/49,638.52
  6. Step 6: Final answer
    x = 32,311.25

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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.