Home / 30,268.16-41,796.48-20,360.96

Finding the Fourth Proportional to 30,268.16, 41,796.48 and 20,360.96

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Solution

The fourth proportional to 30,268.16, 41,796.48 and 20,360.96 is: 28,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,268.16 : 41,796.48 = 20,360.96 : x
  2. Step 2: Convert to fraction form
    30,268.16/41,796.48 = 20,360.96/x
  3. Step 3: Cross multiply
    30,268.16x = 41,796.48 × 20,360.96
  4. Step 4: Simplify right side
    30,268.16x = 851,016,457.42
  5. Step 5: Solve for x
    x = 851,016,457.42/30,268.16
  6. Step 6: Final answer
    x = 28,115.90

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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.