Home / 50,831.03-70,146.86-28,170.06

Finding the Fourth Proportional to 50,831.03, 70,146.86 and 28,170.06

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Solution

The fourth proportional to 50,831.03, 70,146.86 and 28,170.06 is: 38,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,831.03 : 70,146.86 = 28,170.06 : x
  2. Step 2: Convert to fraction form
    50,831.03/70,146.86 = 28,170.06/x
  3. Step 3: Cross multiply
    50,831.03x = 70,146.86 × 28,170.06
  4. Step 4: Simplify right side
    50,831.03x = 1,976,041,114.16
  5. Step 5: Solve for x
    x = 1,976,041,114.16/50,831.03
  6. Step 6: Final answer
    x = 38,874.71

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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.