Home / 50,003.48-69,013.22-28,778.84

Finding the Fourth Proportional to 50,003.48, 69,013.22 and 28,778.84

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Solution

The fourth proportional to 50,003.48, 69,013.22 and 28,778.84 is: 39,719.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,003.48 : 69,013.22 = 28,778.84 : x
  2. Step 2: Convert to fraction form
    50,003.48/69,013.22 = 28,778.84/x
  3. Step 3: Cross multiply
    50,003.48x = 69,013.22 × 28,778.84
  4. Step 4: Simplify right side
    50,003.48x = 1,986,120,416.26
  5. Step 5: Solve for x
    x = 1,986,120,416.26/50,003.48
  6. Step 6: Final answer
    x = 39,719.64

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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.