Home / 48,832.20-67,395.60-30,928.86

Finding the Fourth Proportional to 48,832.20, 67,395.60 and 30,928.86

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Solution

The fourth proportional to 48,832.20, 67,395.60 and 30,928.86 is: 42,686.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,832.20 : 67,395.60 = 30,928.86 : x
  2. Step 2: Convert to fraction form
    48,832.20/67,395.60 = 30,928.86/x
  3. Step 3: Cross multiply
    48,832.20x = 67,395.60 × 30,928.86
  4. Step 4: Simplify right side
    48,832.20x = 2,084,469,077.02
  5. Step 5: Solve for x
    x = 2,084,469,077.02/48,832.20
  6. Step 6: Final answer
    x = 42,686.36

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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.