Home / 80,831.36-121,247.06-24,671.78

Finding the Fourth Proportional to 80,831.36, 121,247.06 and 24,671.78

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Solution

The fourth proportional to 80,831.36, 121,247.06 and 24,671.78 is: 37,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,831.36 : 121,247.06 = 24,671.78 : x
  2. Step 2: Convert to fraction form
    80,831.36/121,247.06 = 24,671.78/x
  3. Step 3: Cross multiply
    80,831.36x = 121,247.06 × 24,671.78
  4. Step 4: Simplify right side
    80,831.36x = 2,991,380,060.37
  5. Step 5: Solve for x
    x = 2,991,380,060.37/80,831.36
  6. Step 6: Final answer
    x = 37,007.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.