Home / 38,231.77-52,759.82-21,237.59

Finding the Fourth Proportional to 38,231.77, 52,759.82 and 21,237.59

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Solution

The fourth proportional to 38,231.77, 52,759.82 and 21,237.59 is: 29,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.77 : 52,759.82 = 21,237.59 : x
  2. Step 2: Convert to fraction form
    38,231.77/52,759.82 = 21,237.59/x
  3. Step 3: Cross multiply
    38,231.77x = 52,759.82 × 21,237.59
  4. Step 4: Simplify right side
    38,231.77x = 1,120,491,425.63
  5. Step 5: Solve for x
    x = 1,120,491,425.63/38,231.77
  6. Step 6: Final answer
    x = 29,307.86

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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.