Home / 36,771.87-50,743.04-20,637.68

Finding the Fourth Proportional to 36,771.87, 50,743.04 and 20,637.68

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Solution

The fourth proportional to 36,771.87, 50,743.04 and 20,637.68 is: 28,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,771.87 : 50,743.04 = 20,637.68 : x
  2. Step 2: Convert to fraction form
    36,771.87/50,743.04 = 20,637.68/x
  3. Step 3: Cross multiply
    36,771.87x = 50,743.04 × 20,637.68
  4. Step 4: Simplify right side
    36,771.87x = 1,047,218,419.63
  5. Step 5: Solve for x
    x = 1,047,218,419.63/36,771.87
  6. Step 6: Final answer
    x = 28,478.79

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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.