Home / 33,211.26-45,831.75-19,783.08

Finding the Fourth Proportional to 33,211.26, 45,831.75 and 19,783.08

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Solution

The fourth proportional to 33,211.26, 45,831.75 and 19,783.08 is: 27,300.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,211.26 : 45,831.75 = 19,783.08 : x
  2. Step 2: Convert to fraction form
    33,211.26/45,831.75 = 19,783.08/x
  3. Step 3: Cross multiply
    33,211.26x = 45,831.75 × 19,783.08
  4. Step 4: Simplify right side
    33,211.26x = 906,693,176.79
  5. Step 5: Solve for x
    x = 906,693,176.79/33,211.26
  6. Step 6: Final answer
    x = 27,300.78

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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.