Home / 50,820.80-70,144.36-33,825.78

Finding the Fourth Proportional to 50,820.80, 70,144.36 and 33,825.78

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Solution

The fourth proportional to 50,820.80, 70,144.36 and 33,825.78 is: 46,687.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.80 : 70,144.36 = 33,825.78 : x
  2. Step 2: Convert to fraction form
    50,820.80/70,144.36 = 33,825.78/x
  3. Step 3: Cross multiply
    50,820.80x = 70,144.36 × 33,825.78
  4. Step 4: Simplify right side
    50,820.80x = 2,372,687,689.60
  5. Step 5: Solve for x
    x = 2,372,687,689.60/50,820.80
  6. Step 6: Final answer
    x = 46,687.33

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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.