Home / 31,361.16-43,270.72-17,749.44

Finding the Fourth Proportional to 31,361.16, 43,270.72 and 17,749.44

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Solution

The fourth proportional to 31,361.16, 43,270.72 and 17,749.44 is: 24,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,361.16 : 43,270.72 = 17,749.44 : x
  2. Step 2: Convert to fraction form
    31,361.16/43,270.72 = 17,749.44/x
  3. Step 3: Cross multiply
    31,361.16x = 43,270.72 × 17,749.44
  4. Step 4: Simplify right side
    31,361.16x = 768,031,048.40
  5. Step 5: Solve for x
    x = 768,031,048.40/31,361.16
  6. Step 6: Final answer
    x = 24,489.88

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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.