Home / 29,664.78-40,936.39-16,235.74

Finding the Fourth Proportional to 29,664.78, 40,936.39 and 16,235.74

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Solution

The fourth proportional to 29,664.78, 40,936.39 and 16,235.74 is: 22,404.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,664.78 : 40,936.39 = 16,235.74 : x
  2. Step 2: Convert to fraction form
    29,664.78/40,936.39 = 16,235.74/x
  3. Step 3: Cross multiply
    29,664.78x = 40,936.39 × 16,235.74
  4. Step 4: Simplify right side
    29,664.78x = 664,632,595.16
  5. Step 5: Solve for x
    x = 664,632,595.16/29,664.78
  6. Step 6: Final answer
    x = 22,404.77

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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.