Home / 50,090.85-69,125.36-28,871.48

Finding the Fourth Proportional to 50,090.85, 69,125.36 and 28,871.48

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Solution

The fourth proportional to 50,090.85, 69,125.36 and 28,871.48 is: 39,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,090.85 : 69,125.36 = 28,871.48 : x
  2. Step 2: Convert to fraction form
    50,090.85/69,125.36 = 28,871.48/x
  3. Step 3: Cross multiply
    50,090.85x = 69,125.36 × 28,871.48
  4. Step 4: Simplify right side
    50,090.85x = 1,995,751,448.73
  5. Step 5: Solve for x
    x = 1,995,751,448.73/50,090.85
  6. Step 6: Final answer
    x = 39,842.63

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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.