Home / 36,892.74-50,914.38-20,978.67

Finding the Fourth Proportional to 36,892.74, 50,914.38 and 20,978.67

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Solution

The fourth proportional to 36,892.74, 50,914.38 and 20,978.67 is: 28,951.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,892.74 : 50,914.38 = 20,978.67 : x
  2. Step 2: Convert to fraction form
    36,892.74/50,914.38 = 20,978.67/x
  3. Step 3: Cross multiply
    36,892.74x = 50,914.38 × 20,978.67
  4. Step 4: Simplify right side
    36,892.74x = 1,068,115,976.27
  5. Step 5: Solve for x
    x = 1,068,115,976.27/36,892.74
  6. Step 6: Final answer
    x = 28,951.93

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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.