Home / 36,631.61-54,849-30,136.22

Finding the Fourth Proportional to 36,631.61, 54,849 and 30,136.22

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Solution

The fourth proportional to 36,631.61, 54,849 and 30,136.22 is: 45,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,631.61 : 54,849 = 30,136.22 : x
  2. Step 2: Convert to fraction form
    36,631.61/54,849 = 30,136.22/x
  3. Step 3: Cross multiply
    36,631.61x = 54,849 × 30,136.22
  4. Step 4: Simplify right side
    36,631.61x = 1,652,941,530.78
  5. Step 5: Solve for x
    x = 1,652,941,530.78/36,631.61
  6. Step 6: Final answer
    x = 45,123.37

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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.