Home / 39,941.13-59,912.77-12,239.13

Finding the Fourth Proportional to 39,941.13, 59,912.77 and 12,239.13

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Solution

The fourth proportional to 39,941.13, 59,912.77 and 12,239.13 is: 18,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,941.13 : 59,912.77 = 12,239.13 : x
  2. Step 2: Convert to fraction form
    39,941.13/59,912.77 = 12,239.13/x
  3. Step 3: Cross multiply
    39,941.13x = 59,912.77 × 12,239.13
  4. Step 4: Simplify right side
    39,941.13x = 733,279,850.53
  5. Step 5: Solve for x
    x = 733,279,850.53/39,941.13
  6. Step 6: Final answer
    x = 18,359.02

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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.