Home / 50,669.80-69,924.18-28,313.80

Finding the Fourth Proportional to 50,669.80, 69,924.18 and 28,313.80

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Solution

The fourth proportional to 50,669.80, 69,924.18 and 28,313.80 is: 39,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,669.80 : 69,924.18 = 28,313.80 : x
  2. Step 2: Convert to fraction form
    50,669.80/69,924.18 = 28,313.80/x
  3. Step 3: Cross multiply
    50,669.80x = 69,924.18 × 28,313.80
  4. Step 4: Simplify right side
    50,669.80x = 1,979,819,247.68
  5. Step 5: Solve for x
    x = 1,979,819,247.68/50,669.80
  6. Step 6: Final answer
    x = 39,072.96

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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.