Home / 52,593.18-78,896.25-21,424.38

Finding the Fourth Proportional to 52,593.18, 78,896.25 and 21,424.38

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Solution

The fourth proportional to 52,593.18, 78,896.25 and 21,424.38 is: 32,139.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,593.18 : 78,896.25 = 21,424.38 : x
  2. Step 2: Convert to fraction form
    52,593.18/78,896.25 = 21,424.38/x
  3. Step 3: Cross multiply
    52,593.18x = 78,896.25 × 21,424.38
  4. Step 4: Simplify right side
    52,593.18x = 1,690,303,240.58
  5. Step 5: Solve for x
    x = 1,690,303,240.58/52,593.18
  6. Step 6: Final answer
    x = 32,139.21

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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.