Home / 31,349.44-43,265.26-17,918.14

Finding the Fourth Proportional to 31,349.44, 43,265.26 and 17,918.14

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Solution

The fourth proportional to 31,349.44, 43,265.26 and 17,918.14 is: 24,728.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349.44 : 43,265.26 = 17,918.14 : x
  2. Step 2: Convert to fraction form
    31,349.44/43,265.26 = 17,918.14/x
  3. Step 3: Cross multiply
    31,349.44x = 43,265.26 × 17,918.14
  4. Step 4: Simplify right side
    31,349.44x = 775,232,909.88
  5. Step 5: Solve for x
    x = 775,232,909.88/31,349.44
  6. Step 6: Final answer
    x = 24,728.77

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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.