Home / 72,823.75-109,241.55-20,233.24

Finding the Fourth Proportional to 72,823.75, 109,241.55 and 20,233.24

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Solution

The fourth proportional to 72,823.75, 109,241.55 and 20,233.24 is: 30,351.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,823.75 : 109,241.55 = 20,233.24 : x
  2. Step 2: Convert to fraction form
    72,823.75/109,241.55 = 20,233.24/x
  3. Step 3: Cross multiply
    72,823.75x = 109,241.55 × 20,233.24
  4. Step 4: Simplify right side
    72,823.75x = 2,210,310,226.02
  5. Step 5: Solve for x
    x = 2,210,310,226.02/72,823.75
  6. Step 6: Final answer
    x = 30,351.50

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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.