Home / 40,369.90-55,725.96-30,327.47

Finding the Fourth Proportional to 40,369.90, 55,725.96 and 30,327.47

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Solution

The fourth proportional to 40,369.90, 55,725.96 and 30,327.47 is: 41,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.90 : 55,725.96 = 30,327.47 : x
  2. Step 2: Convert to fraction form
    40,369.90/55,725.96 = 30,327.47/x
  3. Step 3: Cross multiply
    40,369.90x = 55,725.96 × 30,327.47
  4. Step 4: Simplify right side
    40,369.90x = 1,690,027,380.12
  5. Step 5: Solve for x
    x = 1,690,027,380.12/40,369.90
  6. Step 6: Final answer
    x = 41,863.55

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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.