Home / 20,067.29-30,084.49-7,580.22

Finding the Fourth Proportional to 20,067.29, 30,084.49 and 7,580.22

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Solution

The fourth proportional to 20,067.29, 30,084.49 and 7,580.22 is: 11,364.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.29 : 30,084.49 = 7,580.22 : x
  2. Step 2: Convert to fraction form
    20,067.29/30,084.49 = 7,580.22/x
  3. Step 3: Cross multiply
    20,067.29x = 30,084.49 × 7,580.22
  4. Step 4: Simplify right side
    20,067.29x = 228,047,052.79
  5. Step 5: Solve for x
    x = 228,047,052.79/20,067.29
  6. Step 6: Final answer
    x = 11,364.12

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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.