Home / 40,215.98-60,324.42-12,136.27

Finding the Fourth Proportional to 40,215.98, 60,324.42 and 12,136.27

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Solution

The fourth proportional to 40,215.98, 60,324.42 and 12,136.27 is: 18,204.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,215.98 : 60,324.42 = 12,136.27 : x
  2. Step 2: Convert to fraction form
    40,215.98/60,324.42 = 12,136.27/x
  3. Step 3: Cross multiply
    40,215.98x = 60,324.42 × 12,136.27
  4. Step 4: Simplify right side
    40,215.98x = 732,113,629.87
  5. Step 5: Solve for x
    x = 732,113,629.87/40,215.98
  6. Step 6: Final answer
    x = 18,204.55

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1.5x scale

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.