Home / 33,939.30-46,835.52-18,831.64

Finding the Fourth Proportional to 33,939.30, 46,835.52 and 18,831.64

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Solution

The fourth proportional to 33,939.30, 46,835.52 and 18,831.64 is: 25,987.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,939.30 : 46,835.52 = 18,831.64 : x
  2. Step 2: Convert to fraction form
    33,939.30/46,835.52 = 18,831.64/x
  3. Step 3: Cross multiply
    33,939.30x = 46,835.52 × 18,831.64
  4. Step 4: Simplify right side
    33,939.30x = 881,989,651.85
  5. Step 5: Solve for x
    x = 881,989,651.85/33,939.30
  6. Step 6: Final answer
    x = 25,987.27

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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.