Home / 29,831.28-41,175.72-19,761.36

Finding the Fourth Proportional to 29,831.28, 41,175.72 and 19,761.36

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Solution

The fourth proportional to 29,831.28, 41,175.72 and 19,761.36 is: 27,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,831.28 : 41,175.72 = 19,761.36 : x
  2. Step 2: Convert to fraction form
    29,831.28/41,175.72 = 19,761.36/x
  3. Step 3: Cross multiply
    29,831.28x = 41,175.72 × 19,761.36
  4. Step 4: Simplify right side
    29,831.28x = 813,688,226.18
  5. Step 5: Solve for x
    x = 813,688,226.18/29,831.28
  6. Step 6: Final answer
    x = 27,276.34

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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.