Home / 29,234.56-40,376.34-19,786.72

Finding the Fourth Proportional to 29,234.56, 40,376.34 and 19,786.72

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Solution

The fourth proportional to 29,234.56, 40,376.34 and 19,786.72 is: 27,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,234.56 : 40,376.34 = 19,786.72 : x
  2. Step 2: Convert to fraction form
    29,234.56/40,376.34 = 19,786.72/x
  3. Step 3: Cross multiply
    29,234.56x = 40,376.34 × 19,786.72
  4. Step 4: Simplify right side
    29,234.56x = 798,915,334.20
  5. Step 5: Solve for x
    x = 798,915,334.20/29,234.56
  6. Step 6: Final answer
    x = 27,327.77

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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.