Home / 29,404.96-40,578.35-15,976.43

Finding the Fourth Proportional to 29,404.96, 40,578.35 and 15,976.43

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Solution

The fourth proportional to 29,404.96, 40,578.35 and 15,976.43 is: 22,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,404.96 : 40,578.35 = 15,976.43 : x
  2. Step 2: Convert to fraction form
    29,404.96/40,578.35 = 15,976.43/x
  3. Step 3: Cross multiply
    29,404.96x = 40,578.35 × 15,976.43
  4. Step 4: Simplify right side
    29,404.96x = 648,297,127.55
  5. Step 5: Solve for x
    x = 648,297,127.55/29,404.96
  6. Step 6: Final answer
    x = 22,047.20

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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.