Home / 36,400.91-50,229.36-20,485.08

Finding the Fourth Proportional to 36,400.91, 50,229.36 and 20,485.08

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Solution

The fourth proportional to 36,400.91, 50,229.36 and 20,485.08 is: 28,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,400.91 : 50,229.36 = 20,485.08 : x
  2. Step 2: Convert to fraction form
    36,400.91/50,229.36 = 20,485.08/x
  3. Step 3: Cross multiply
    36,400.91x = 50,229.36 × 20,485.08
  4. Step 4: Simplify right side
    36,400.91x = 1,028,952,457.95
  5. Step 5: Solve for x
    x = 1,028,952,457.95/36,400.91
  6. Step 6: Final answer
    x = 28,267.22

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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.