Home / 33,939.12-46,836.24-18,831.84

Finding the Fourth Proportional to 33,939.12, 46,836.24 and 18,831.84

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Solution

The fourth proportional to 33,939.12, 46,836.24 and 18,831.84 is: 25,988.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,939.12 : 46,836.24 = 18,831.84 : x
  2. Step 2: Convert to fraction form
    33,939.12/46,836.24 = 18,831.84/x
  3. Step 3: Cross multiply
    33,939.12x = 46,836.24 × 18,831.84
  4. Step 4: Simplify right side
    33,939.12x = 882,012,577.88
  5. Step 5: Solve for x
    x = 882,012,577.88/33,939.12
  6. Step 6: Final answer
    x = 25,988.08

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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.