Home / 35,747.29-49,331.32-19,831.73

Finding the Fourth Proportional to 35,747.29, 49,331.32 and 19,831.73

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Solution

The fourth proportional to 35,747.29, 49,331.32 and 19,831.73 is: 27,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.29 : 49,331.32 = 19,831.73 : x
  2. Step 2: Convert to fraction form
    35,747.29/49,331.32 = 19,831.73/x
  3. Step 3: Cross multiply
    35,747.29x = 49,331.32 × 19,831.73
  4. Step 4: Simplify right side
    35,747.29x = 978,325,492.53
  5. Step 5: Solve for x
    x = 978,325,492.53/35,747.29
  6. Step 6: Final answer
    x = 27,367.82

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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.