Home / 52,747.70-79,121.88-21,582.96

Finding the Fourth Proportional to 52,747.70, 79,121.88 and 21,582.96

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Solution

The fourth proportional to 52,747.70, 79,121.88 and 21,582.96 is: 32,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.70 : 79,121.88 = 21,582.96 : x
  2. Step 2: Convert to fraction form
    52,747.70/79,121.88 = 21,582.96/x
  3. Step 3: Cross multiply
    52,747.70x = 79,121.88 × 21,582.96
  4. Step 4: Simplify right side
    52,747.70x = 1,707,684,371.16
  5. Step 5: Solve for x
    x = 1,707,684,371.16/52,747.70
  6. Step 6: Final answer
    x = 32,374.58

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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.