Home / 33,831.70-46,686.78-18,724.98

Finding the Fourth Proportional to 33,831.70, 46,686.78 and 18,724.98

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Solution

The fourth proportional to 33,831.70, 46,686.78 and 18,724.98 is: 25,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.70 : 46,686.78 = 18,724.98 : x
  2. Step 2: Convert to fraction form
    33,831.70/46,686.78 = 18,724.98/x
  3. Step 3: Cross multiply
    33,831.70x = 46,686.78 × 18,724.98
  4. Step 4: Simplify right side
    33,831.70x = 874,209,021.76
  5. Step 5: Solve for x
    x = 874,209,021.76/33,831.70
  6. Step 6: Final answer
    x = 25,839.94

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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.