Home / 52,919.04-79,379.52-21,747.36

Finding the Fourth Proportional to 52,919.04, 79,379.52 and 21,747.36

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Solution

The fourth proportional to 52,919.04, 79,379.52 and 21,747.36 is: 32,621.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,919.04 : 79,379.52 = 21,747.36 : x
  2. Step 2: Convert to fraction form
    52,919.04/79,379.52 = 21,747.36/x
  3. Step 3: Cross multiply
    52,919.04x = 79,379.52 × 21,747.36
  4. Step 4: Simplify right side
    52,919.04x = 1,726,294,998.07
  5. Step 5: Solve for x
    x = 1,726,294,998.07/52,919.04
  6. Step 6: Final answer
    x = 32,621.43

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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.