Home / 29,414.34-40,620.69-21,333.78

Finding the Fourth Proportional to 29,414.34, 40,620.69 and 21,333.78

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Solution

The fourth proportional to 29,414.34, 40,620.69 and 21,333.78 is: 29,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,414.34 : 40,620.69 = 21,333.78 : x
  2. Step 2: Convert to fraction form
    29,414.34/40,620.69 = 21,333.78/x
  3. Step 3: Cross multiply
    29,414.34x = 40,620.69 × 21,333.78
  4. Step 4: Simplify right side
    29,414.34x = 866,592,863.91
  5. Step 5: Solve for x
    x = 866,592,863.91/29,414.34
  6. Step 6: Final answer
    x = 29,461.58

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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.