Home / 29,133.48-40,197.78-17,188.68

Finding the Fourth Proportional to 29,133.48, 40,197.78 and 17,188.68

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Solution

The fourth proportional to 29,133.48, 40,197.78 and 17,188.68 is: 23,716.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,133.48 : 40,197.78 = 17,188.68 : x
  2. Step 2: Convert to fraction form
    29,133.48/40,197.78 = 17,188.68/x
  3. Step 3: Cross multiply
    29,133.48x = 40,197.78 × 17,188.68
  4. Step 4: Simplify right side
    29,133.48x = 690,946,777.13
  5. Step 5: Solve for x
    x = 690,946,777.13/29,133.48
  6. Step 6: Final answer
    x = 23,716.59

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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.