Home / 36,699.33-50,643.38-20,783.89

Finding the Fourth Proportional to 36,699.33, 50,643.38 and 20,783.89

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Solution

The fourth proportional to 36,699.33, 50,643.38 and 20,783.89 is: 28,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.33 : 50,643.38 = 20,783.89 : x
  2. Step 2: Convert to fraction form
    36,699.33/50,643.38 = 20,783.89/x
  3. Step 3: Cross multiply
    36,699.33x = 50,643.38 × 20,783.89
  4. Step 4: Simplify right side
    36,699.33x = 1,052,566,513.80
  5. Step 5: Solve for x
    x = 1,052,566,513.80/36,699.33
  6. Step 6: Final answer
    x = 28,680.81

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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.