Home / 20,331.03-30,499.47-6,292.17

Finding the Fourth Proportional to 20,331.03, 30,499.47 and 6,292.17

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Solution

The fourth proportional to 20,331.03, 30,499.47 and 6,292.17 is: 9,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331.03 : 30,499.47 = 6,292.17 : x
  2. Step 2: Convert to fraction form
    20,331.03/30,499.47 = 6,292.17/x
  3. Step 3: Cross multiply
    20,331.03x = 30,499.47 × 6,292.17
  4. Step 4: Simplify right side
    20,331.03x = 191,907,850.15
  5. Step 5: Solve for x
    x = 191,907,850.15/20,331.03
  6. Step 6: Final answer
    x = 9,439.16

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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.