Home / 47,195.09-70,759.83-20,885.48

Finding the Fourth Proportional to 47,195.09, 70,759.83 and 20,885.48

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Solution

The fourth proportional to 47,195.09, 70,759.83 and 20,885.48 is: 31,313.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,195.09 : 70,759.83 = 20,885.48 : x
  2. Step 2: Convert to fraction form
    47,195.09/70,759.83 = 20,885.48/x
  3. Step 3: Cross multiply
    47,195.09x = 70,759.83 × 20,885.48
  4. Step 4: Simplify right side
    47,195.09x = 1,477,853,014.27
  5. Step 5: Solve for x
    x = 1,477,853,014.27/47,195.09
  6. Step 6: Final answer
    x = 31,313.70

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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.