Home / 52,136.38-78,215.51-22,558.42

Finding the Fourth Proportional to 52,136.38, 78,215.51 and 22,558.42

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Solution

The fourth proportional to 52,136.38, 78,215.51 and 22,558.42 is: 33,842.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,136.38 : 78,215.51 = 22,558.42 : x
  2. Step 2: Convert to fraction form
    52,136.38/78,215.51 = 22,558.42/x
  3. Step 3: Cross multiply
    52,136.38x = 78,215.51 × 22,558.42
  4. Step 4: Simplify right side
    52,136.38x = 1,764,418,325.09
  5. Step 5: Solve for x
    x = 1,764,418,325.09/52,136.38
  6. Step 6: Final answer
    x = 33,842.36

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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.