Home / 35,747.13-49,331.10-19,831.58

Finding the Fourth Proportional to 35,747.13, 49,331.10 and 19,831.58

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Solution

The fourth proportional to 35,747.13, 49,331.10 and 19,831.58 is: 27,367.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,747.13 : 49,331.10 = 19,831.58 : x
  2. Step 2: Convert to fraction form
    35,747.13/49,331.10 = 19,831.58/x
  3. Step 3: Cross multiply
    35,747.13x = 49,331.10 × 19,831.58
  4. Step 4: Simplify right side
    35,747.13x = 978,313,656.14
  5. Step 5: Solve for x
    x = 978,313,656.14/35,747.13
  6. Step 6: Final answer
    x = 27,367.61

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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.