Home / 45,997.56-68,981.75-19,695.24

Finding the Fourth Proportional to 45,997.56, 68,981.75 and 19,695.24

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Solution

The fourth proportional to 45,997.56, 68,981.75 and 19,695.24 is: 29,536.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,997.56 : 68,981.75 = 19,695.24 : x
  2. Step 2: Convert to fraction form
    45,997.56/68,981.75 = 19,695.24/x
  3. Step 3: Cross multiply
    45,997.56x = 68,981.75 × 19,695.24
  4. Step 4: Simplify right side
    45,997.56x = 1,358,612,121.87
  5. Step 5: Solve for x
    x = 1,358,612,121.87/45,997.56
  6. Step 6: Final answer
    x = 29,536.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.