Home / 40,215.72-60,324.05-12,136.02

Finding the Fourth Proportional to 40,215.72, 60,324.05 and 12,136.02

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Solution

The fourth proportional to 40,215.72, 60,324.05 and 12,136.02 is: 18,204.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.72 : 60,324.05 = 12,136.02 : x
  2. Step 2: Convert to fraction form
    40,215.72/60,324.05 = 12,136.02/x
  3. Step 3: Cross multiply
    40,215.72x = 60,324.05 × 12,136.02
  4. Step 4: Simplify right side
    40,215.72x = 732,093,952.46
  5. Step 5: Solve for x
    x = 732,093,952.46/40,215.72
  6. Step 6: Final answer
    x = 18,204.17

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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.