Home / 35,321.32-48,739.44-20,976.04

Finding the Fourth Proportional to 35,321.32, 48,739.44 and 20,976.04

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Solution

The fourth proportional to 35,321.32, 48,739.44 and 20,976.04 is: 28,944.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.32 : 48,739.44 = 20,976.04 : x
  2. Step 2: Convert to fraction form
    35,321.32/48,739.44 = 20,976.04/x
  3. Step 3: Cross multiply
    35,321.32x = 48,739.44 × 20,976.04
  4. Step 4: Simplify right side
    35,321.32x = 1,022,360,443.02
  5. Step 5: Solve for x
    x = 1,022,360,443.02/35,321.32
  6. Step 6: Final answer
    x = 28,944.57

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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.