Home / 29,910.78-41,253.30-27,898.74

Finding the Fourth Proportional to 29,910.78, 41,253.30 and 27,898.74

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Solution

The fourth proportional to 29,910.78, 41,253.30 and 27,898.74 is: 38,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,910.78 : 41,253.30 = 27,898.74 : x
  2. Step 2: Convert to fraction form
    29,910.78/41,253.30 = 27,898.74/x
  3. Step 3: Cross multiply
    29,910.78x = 41,253.30 × 27,898.74
  4. Step 4: Simplify right side
    29,910.78x = 1,150,915,090.84
  5. Step 5: Solve for x
    x = 1,150,915,090.84/29,910.78
  6. Step 6: Final answer
    x = 38,478.27

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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.