Home / 52,483.00-78,721.25-21,317.44

Finding the Fourth Proportional to 52,483.00, 78,721.25 and 21,317.44

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Solution

The fourth proportional to 52,483.00, 78,721.25 and 21,317.44 is: 31,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,483.00 : 78,721.25 = 21,317.44 : x
  2. Step 2: Convert to fraction form
    52,483.00/78,721.25 = 21,317.44/x
  3. Step 3: Cross multiply
    52,483.00x = 78,721.25 × 21,317.44
  4. Step 4: Simplify right side
    52,483.00x = 1,678,135,129.99
  5. Step 5: Solve for x
    x = 1,678,135,129.99/52,483.00
  6. Step 6: Final answer
    x = 31,974.84

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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.