Home / 33,831.78-46,686.69-18,725.08

Finding the Fourth Proportional to 33,831.78, 46,686.69 and 18,725.08

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Solution

The fourth proportional to 33,831.78, 46,686.69 and 18,725.08 is: 25,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.78 : 46,686.69 = 18,725.08 : x
  2. Step 2: Convert to fraction form
    33,831.78/46,686.69 = 18,725.08/x
  3. Step 3: Cross multiply
    33,831.78x = 46,686.69 × 18,725.08
  4. Step 4: Simplify right side
    33,831.78x = 874,212,005.19
  5. Step 5: Solve for x
    x = 874,212,005.19/33,831.78
  6. Step 6: Final answer
    x = 25,839.96

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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.