Home / 33,831.06-46,686.21-18,723.72

Finding the Fourth Proportional to 33,831.06, 46,686.21 and 18,723.72

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Solution

The fourth proportional to 33,831.06, 46,686.21 and 18,723.72 is: 25,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,831.06 : 46,686.21 = 18,723.72 : x
  2. Step 2: Convert to fraction form
    33,831.06/46,686.21 = 18,723.72/x
  3. Step 3: Cross multiply
    33,831.06x = 46,686.21 × 18,723.72
  4. Step 4: Simplify right side
    33,831.06x = 874,139,523.90
  5. Step 5: Solve for x
    x = 874,139,523.90/33,831.06
  6. Step 6: Final answer
    x = 25,838.37

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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.