Home / 50,831.48-70,150.24-28,170

Finding the Fourth Proportional to 50,831.48, 70,150.24 and 28,170

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Solution

The fourth proportional to 50,831.48, 70,150.24 and 28,170 is: 38,876.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,831.48 : 70,150.24 = 28,170 : x
  2. Step 2: Convert to fraction form
    50,831.48/70,150.24 = 28,170/x
  3. Step 3: Cross multiply
    50,831.48x = 70,150.24 × 28,170
  4. Step 4: Simplify right side
    50,831.48x = 1,976,132,260.80
  5. Step 5: Solve for x
    x = 1,976,132,260.80/50,831.48
  6. Step 6: Final answer
    x = 38,876.15

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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.