Home / 31,200.20-43,043.36-22,683.64

Finding the Fourth Proportional to 31,200.20, 43,043.36 and 22,683.64

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Solution

The fourth proportional to 31,200.20, 43,043.36 and 22,683.64 is: 31,294.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.20 : 43,043.36 = 22,683.64 : x
  2. Step 2: Convert to fraction form
    31,200.20/43,043.36 = 22,683.64/x
  3. Step 3: Cross multiply
    31,200.20x = 43,043.36 × 22,683.64
  4. Step 4: Simplify right side
    31,200.20x = 976,380,082.63
  5. Step 5: Solve for x
    x = 976,380,082.63/31,200.20
  6. Step 6: Final answer
    x = 31,294.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.