Home / 36,830.80-50,826.36-20,914.48

Finding the Fourth Proportional to 36,830.80, 50,826.36 and 20,914.48

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Solution

The fourth proportional to 36,830.80, 50,826.36 and 20,914.48 is: 28,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.80 : 50,826.36 = 20,914.48 : x
  2. Step 2: Convert to fraction form
    36,830.80/50,826.36 = 20,914.48/x
  3. Step 3: Cross multiply
    36,830.80x = 50,826.36 × 20,914.48
  4. Step 4: Simplify right side
    36,830.80x = 1,063,006,889.69
  5. Step 5: Solve for x
    x = 1,063,006,889.69/36,830.80
  6. Step 6: Final answer
    x = 28,861.90

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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.