Home / 29,560.24-40,780.09-19,996.71

Finding the Fourth Proportional to 29,560.24, 40,780.09 and 19,996.71

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Solution

The fourth proportional to 29,560.24, 40,780.09 and 19,996.71 is: 27,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,560.24 : 40,780.09 = 19,996.71 : x
  2. Step 2: Convert to fraction form
    29,560.24/40,780.09 = 19,996.71/x
  3. Step 3: Cross multiply
    29,560.24x = 40,780.09 × 19,996.71
  4. Step 4: Simplify right side
    29,560.24x = 815,467,633.50
  5. Step 5: Solve for x
    x = 815,467,633.50/29,560.24
  6. Step 6: Final answer
    x = 27,586.64

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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.