Home / 29,334.24-40,481.10-15,905.79

Finding the Fourth Proportional to 29,334.24, 40,481.10 and 15,905.79

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Solution

The fourth proportional to 29,334.24, 40,481.10 and 15,905.79 is: 21,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,334.24 : 40,481.10 = 15,905.79 : x
  2. Step 2: Convert to fraction form
    29,334.24/40,481.10 = 15,905.79/x
  3. Step 3: Cross multiply
    29,334.24x = 40,481.10 × 15,905.79
  4. Step 4: Simplify right side
    29,334.24x = 643,883,875.57
  5. Step 5: Solve for x
    x = 643,883,875.57/29,334.24
  6. Step 6: Final answer
    x = 21,949.91

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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.