Home / 52,357.62-78,569.24-21,192.87

Finding the Fourth Proportional to 52,357.62, 78,569.24 and 21,192.87

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Solution

The fourth proportional to 52,357.62, 78,569.24 and 21,192.87 is: 31,802.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,357.62 : 78,569.24 = 21,192.87 : x
  2. Step 2: Convert to fraction form
    52,357.62/78,569.24 = 21,192.87/x
  3. Step 3: Cross multiply
    52,357.62x = 78,569.24 × 21,192.87
  4. Step 4: Simplify right side
    52,357.62x = 1,665,107,997.20
  5. Step 5: Solve for x
    x = 1,665,107,997.20/52,357.62
  6. Step 6: Final answer
    x = 31,802.59

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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.