Home / 29,003.21-40,012.47-17,668.57

Finding the Fourth Proportional to 29,003.21, 40,012.47 and 17,668.57

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Solution

The fourth proportional to 29,003.21, 40,012.47 and 17,668.57 is: 24,375.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,003.21 : 40,012.47 = 17,668.57 : x
  2. Step 2: Convert to fraction form
    29,003.21/40,012.47 = 17,668.57/x
  3. Step 3: Cross multiply
    29,003.21x = 40,012.47 × 17,668.57
  4. Step 4: Simplify right side
    29,003.21x = 706,963,101.31
  5. Step 5: Solve for x
    x = 706,963,101.31/29,003.21
  6. Step 6: Final answer
    x = 24,375.34

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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.