Home / 40,317.96-55,639.19-22,169.64

Finding the Fourth Proportional to 40,317.96, 55,639.19 and 22,169.64

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Solution

The fourth proportional to 40,317.96, 55,639.19 and 22,169.64 is: 30,594.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,317.96 : 55,639.19 = 22,169.64 : x
  2. Step 2: Convert to fraction form
    40,317.96/55,639.19 = 22,169.64/x
  3. Step 3: Cross multiply
    40,317.96x = 55,639.19 × 22,169.64
  4. Step 4: Simplify right side
    40,317.96x = 1,233,500,714.93
  5. Step 5: Solve for x
    x = 1,233,500,714.93/40,317.96
  6. Step 6: Final answer
    x = 30,594.32

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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.