Home / 36,894.86-50,914.67-20,979.31

Finding the Fourth Proportional to 36,894.86, 50,914.67 and 20,979.31

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Solution

The fourth proportional to 36,894.86, 50,914.67 and 20,979.31 is: 28,951.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,894.86 : 50,914.67 = 20,979.31 : x
  2. Step 2: Convert to fraction form
    36,894.86/50,914.67 = 20,979.31/x
  3. Step 3: Cross multiply
    36,894.86x = 50,914.67 × 20,979.31
  4. Step 4: Simplify right side
    36,894.86x = 1,068,154,645.48
  5. Step 5: Solve for x
    x = 1,068,154,645.48/36,894.86
  6. Step 6: Final answer
    x = 28,951.31

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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.