Home / 29,142.45-40,231.22-17,209.53

Finding the Fourth Proportional to 29,142.45, 40,231.22 and 17,209.53

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Solution

The fourth proportional to 29,142.45, 40,231.22 and 17,209.53 is: 23,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,142.45 : 40,231.22 = 17,209.53 : x
  2. Step 2: Convert to fraction form
    29,142.45/40,231.22 = 17,209.53/x
  3. Step 3: Cross multiply
    29,142.45x = 40,231.22 × 17,209.53
  4. Step 4: Simplify right side
    29,142.45x = 692,360,301.48
  5. Step 5: Solve for x
    x = 692,360,301.48/29,142.45
  6. Step 6: Final answer
    x = 23,757.79

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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.