Home / 20,052.36-30,088.80-8,214.75

Finding the Fourth Proportional to 20,052.36, 30,088.80 and 8,214.75

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Solution

The fourth proportional to 20,052.36, 30,088.80 and 8,214.75 is: 12,326.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.36 : 30,088.80 = 8,214.75 : x
  2. Step 2: Convert to fraction form
    20,052.36/30,088.80 = 8,214.75/x
  3. Step 3: Cross multiply
    20,052.36x = 30,088.80 × 8,214.75
  4. Step 4: Simplify right side
    20,052.36x = 247,171,969.80
  5. Step 5: Solve for x
    x = 247,171,969.80/20,052.36
  6. Step 6: Final answer
    x = 12,326.33

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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.