Home / 36,727.80-50,693.58-20,821.74

Finding the Fourth Proportional to 36,727.80, 50,693.58 and 20,821.74

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Solution

The fourth proportional to 36,727.80, 50,693.58 and 20,821.74 is: 28,739.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,727.80 : 50,693.58 = 20,821.74 : x
  2. Step 2: Convert to fraction form
    36,727.80/50,693.58 = 20,821.74/x
  3. Step 3: Cross multiply
    36,727.80x = 50,693.58 × 20,821.74
  4. Step 4: Simplify right side
    36,727.80x = 1,055,528,542.43
  5. Step 5: Solve for x
    x = 1,055,528,542.43/36,727.80
  6. Step 6: Final answer
    x = 28,739.23

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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.