Home / 49,998.98-69,004.68-28,777.80

Finding the Fourth Proportional to 49,998.98, 69,004.68 and 28,777.80

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Solution

The fourth proportional to 49,998.98, 69,004.68 and 28,777.80 is: 39,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,998.98 : 69,004.68 = 28,777.80 : x
  2. Step 2: Convert to fraction form
    49,998.98/69,004.68 = 28,777.80/x
  3. Step 3: Cross multiply
    49,998.98x = 69,004.68 × 28,777.80
  4. Step 4: Simplify right side
    49,998.98x = 1,985,802,880.10
  5. Step 5: Solve for x
    x = 1,985,802,880.10/49,998.98
  6. Step 6: Final answer
    x = 39,716.87

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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.