Home / 50,831.97-70,147.26-28,170.88

Finding the Fourth Proportional to 50,831.97, 70,147.26 and 28,170.88

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Solution

The fourth proportional to 50,831.97, 70,147.26 and 28,170.88 is: 38,875.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,831.97 : 70,147.26 = 28,170.88 : x
  2. Step 2: Convert to fraction form
    50,831.97/70,147.26 = 28,170.88/x
  3. Step 3: Cross multiply
    50,831.97x = 70,147.26 × 28,170.88
  4. Step 4: Simplify right side
    50,831.97x = 1,976,110,043.79
  5. Step 5: Solve for x
    x = 1,976,110,043.79/50,831.97
  6. Step 6: Final answer
    x = 38,875.34

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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.