Home / 50,327.96-75,501.04-20,729.64

Finding the Fourth Proportional to 50,327.96, 75,501.04 and 20,729.64

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Solution

The fourth proportional to 50,327.96, 75,501.04 and 20,729.64 is: 31,098.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,327.96 : 75,501.04 = 20,729.64 : x
  2. Step 2: Convert to fraction form
    50,327.96/75,501.04 = 20,729.64/x
  3. Step 3: Cross multiply
    50,327.96x = 75,501.04 × 20,729.64
  4. Step 4: Simplify right side
    50,327.96x = 1,565,109,378.83
  5. Step 5: Solve for x
    x = 1,565,109,378.83/50,327.96
  6. Step 6: Final answer
    x = 31,098.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.