Home / 29,112.40-40,175.72-16,536.88

Finding the Fourth Proportional to 29,112.40, 40,175.72 and 16,536.88

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Solution

The fourth proportional to 29,112.40, 40,175.72 and 16,536.88 is: 22,821.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112.40 : 40,175.72 = 16,536.88 : x
  2. Step 2: Convert to fraction form
    29,112.40/40,175.72 = 16,536.88/x
  3. Step 3: Cross multiply
    29,112.40x = 40,175.72 × 16,536.88
  4. Step 4: Simplify right side
    29,112.40x = 664,381,060.55
  5. Step 5: Solve for x
    x = 664,381,060.55/29,112.40
  6. Step 6: Final answer
    x = 22,821.24

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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.