Home / 29,707.20-41,023.68-19,115.28

Finding the Fourth Proportional to 29,707.20, 41,023.68 and 19,115.28

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Solution

The fourth proportional to 29,707.20, 41,023.68 and 19,115.28 is: 26,396.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.20 : 41,023.68 = 19,115.28 : x
  2. Step 2: Convert to fraction form
    29,707.20/41,023.68 = 19,115.28/x
  3. Step 3: Cross multiply
    29,707.20x = 41,023.68 × 19,115.28
  4. Step 4: Simplify right side
    29,707.20x = 784,179,129.83
  5. Step 5: Solve for x
    x = 784,179,129.83/29,707.20
  6. Step 6: Final answer
    x = 26,396.94

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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.