Home / 72,823.53-109,241.19-20,233.02

Finding the Fourth Proportional to 72,823.53, 109,241.19 and 20,233.02

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Solution

The fourth proportional to 72,823.53, 109,241.19 and 20,233.02 is: 30,351.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,823.53 : 109,241.19 = 20,233.02 : x
  2. Step 2: Convert to fraction form
    72,823.53/109,241.19 = 20,233.02/x
  3. Step 3: Cross multiply
    72,823.53x = 109,241.19 × 20,233.02
  4. Step 4: Simplify right side
    72,823.53x = 2,210,279,182.09
  5. Step 5: Solve for x
    x = 2,210,279,182.09/72,823.53
  6. Step 6: Final answer
    x = 30,351.17

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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.