Home / 20,701.41-31,047.70-5,906.35

Finding the Fourth Proportional to 20,701.41, 31,047.70 and 5,906.35

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Solution

The fourth proportional to 20,701.41, 31,047.70 and 5,906.35 is: 8,858.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.41 : 31,047.70 = 5,906.35 : x
  2. Step 2: Convert to fraction form
    20,701.41/31,047.70 = 5,906.35/x
  3. Step 3: Cross multiply
    20,701.41x = 31,047.70 × 5,906.35
  4. Step 4: Simplify right side
    20,701.41x = 183,378,582.90
  5. Step 5: Solve for x
    x = 183,378,582.90/20,701.41
  6. Step 6: Final answer
    x = 8,858.27

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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.