Home / 50,078.76-69,108.75-28,857.48

Finding the Fourth Proportional to 50,078.76, 69,108.75 and 28,857.48

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Solution

The fourth proportional to 50,078.76, 69,108.75 and 28,857.48 is: 39,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,078.76 : 69,108.75 = 28,857.48 : x
  2. Step 2: Convert to fraction form
    50,078.76/69,108.75 = 28,857.48/x
  3. Step 3: Cross multiply
    50,078.76x = 69,108.75 × 28,857.48
  4. Step 4: Simplify right side
    50,078.76x = 1,994,304,370.95
  5. Step 5: Solve for x
    x = 1,994,304,370.95/50,078.76
  6. Step 6: Final answer
    x = 39,823.36

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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.