Home / 50,831.37-70,147.44-28,170.73

Finding the Fourth Proportional to 50,831.37, 70,147.44 and 28,170.73

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Solution

The fourth proportional to 50,831.37, 70,147.44 and 28,170.73 is: 38,875.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,831.37 : 70,147.44 = 28,170.73 : x
  2. Step 2: Convert to fraction form
    50,831.37/70,147.44 = 28,170.73/x
  3. Step 3: Cross multiply
    50,831.37x = 70,147.44 × 28,170.73
  4. Step 4: Simplify right side
    50,831.37x = 1,976,104,417.06
  5. Step 5: Solve for x
    x = 1,976,104,417.06/50,831.37
  6. Step 6: Final answer
    x = 38,875.68

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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.