Home / 49,800-68,723.10-27,139.19

Finding the Fourth Proportional to 49,800, 68,723.10 and 27,139.19

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Solution

The fourth proportional to 49,800, 68,723.10 and 27,139.19 is: 37,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,800 : 68,723.10 = 27,139.19 : x
  2. Step 2: Convert to fraction form
    49,800/68,723.10 = 27,139.19/x
  3. Step 3: Cross multiply
    49,800x = 68,723.10 × 27,139.19
  4. Step 4: Simplify right side
    49,800x = 1,865,089,440.10
  5. Step 5: Solve for x
    x = 1,865,089,440.10/49,800
  6. Step 6: Final answer
    x = 37,451.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.