Home / 50,481.60-75,638.69-30,700.32

Finding the Fourth Proportional to 50,481.60, 75,638.69 and 30,700.32

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Solution

The fourth proportional to 50,481.60, 75,638.69 and 30,700.32 is: 45,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,481.60 : 75,638.69 = 30,700.32 : x
  2. Step 2: Convert to fraction form
    50,481.60/75,638.69 = 30,700.32/x
  3. Step 3: Cross multiply
    50,481.60x = 75,638.69 × 30,700.32
  4. Step 4: Simplify right side
    50,481.60x = 2,322,131,987.38
  5. Step 5: Solve for x
    x = 2,322,131,987.38/50,481.60
  6. Step 6: Final answer
    x = 45,999.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.