Home / 35,747.19-49,331.16-19,831.77

Finding the Fourth Proportional to 35,747.19, 49,331.16 and 19,831.77

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Solution

The fourth proportional to 35,747.19, 49,331.16 and 19,831.77 is: 27,367.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.19 : 49,331.16 = 19,831.77 : x
  2. Step 2: Convert to fraction form
    35,747.19/49,331.16 = 19,831.77/x
  3. Step 3: Cross multiply
    35,747.19x = 49,331.16 × 19,831.77
  4. Step 4: Simplify right side
    35,747.19x = 978,324,218.95
  5. Step 5: Solve for x
    x = 978,324,218.95/35,747.19
  6. Step 6: Final answer
    x = 27,367.86

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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.