Home / 20,741.26-31,105.50-5,946.22

Finding the Fourth Proportional to 20,741.26, 31,105.50 and 5,946.22

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Solution

The fourth proportional to 20,741.26, 31,105.50 and 5,946.22 is: 8,917.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,741.26 : 31,105.50 = 5,946.22 : x
  2. Step 2: Convert to fraction form
    20,741.26/31,105.50 = 5,946.22/x
  3. Step 3: Cross multiply
    20,741.26x = 31,105.50 × 5,946.22
  4. Step 4: Simplify right side
    20,741.26x = 184,960,146.21
  5. Step 5: Solve for x
    x = 184,960,146.21/20,741.26
  6. Step 6: Final answer
    x = 8,917.50

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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.