Home / 34,831.91-48,068.81-19,724.60

Finding the Fourth Proportional to 34,831.91, 48,068.81 and 19,724.60

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Solution

The fourth proportional to 34,831.91, 48,068.81 and 19,724.60 is: 27,220.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,831.91 : 48,068.81 = 19,724.60 : x
  2. Step 2: Convert to fraction form
    34,831.91/48,068.81 = 19,724.60/x
  3. Step 3: Cross multiply
    34,831.91x = 48,068.81 × 19,724.60
  4. Step 4: Simplify right side
    34,831.91x = 948,138,049.73
  5. Step 5: Solve for x
    x = 948,138,049.73/34,831.91
  6. Step 6: Final answer
    x = 27,220.39

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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.