Home / 36,685.12-50,624.96-20,769.60

Finding the Fourth Proportional to 36,685.12, 50,624.96 and 20,769.60

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Solution

The fourth proportional to 36,685.12, 50,624.96 and 20,769.60 is: 28,661.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.12 : 50,624.96 = 20,769.60 : x
  2. Step 2: Convert to fraction form
    36,685.12/50,624.96 = 20,769.60/x
  3. Step 3: Cross multiply
    36,685.12x = 50,624.96 × 20,769.60
  4. Step 4: Simplify right side
    36,685.12x = 1,051,460,169.22
  5. Step 5: Solve for x
    x = 1,051,460,169.22/36,685.12
  6. Step 6: Final answer
    x = 28,661.76

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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.