Home / 29,136.96-40,197.60-17,939.52

Finding the Fourth Proportional to 29,136.96, 40,197.60 and 17,939.52

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Solution

The fourth proportional to 29,136.96, 40,197.60 and 17,939.52 is: 24,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,136.96 : 40,197.60 = 17,939.52 : x
  2. Step 2: Convert to fraction form
    29,136.96/40,197.60 = 17,939.52/x
  3. Step 3: Cross multiply
    29,136.96x = 40,197.60 × 17,939.52
  4. Step 4: Simplify right side
    29,136.96x = 721,125,649.15
  5. Step 5: Solve for x
    x = 721,125,649.15/29,136.96
  6. Step 6: Final answer
    x = 24,749.52

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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.