Home / 36,839.81-50,839.35-20,072.81

Finding the Fourth Proportional to 36,839.81, 50,839.35 and 20,072.81

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Solution

The fourth proportional to 36,839.81, 50,839.35 and 20,072.81 is: 27,700.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,839.81 : 50,839.35 = 20,072.81 : x
  2. Step 2: Convert to fraction form
    36,839.81/50,839.35 = 20,072.81/x
  3. Step 3: Cross multiply
    36,839.81x = 50,839.35 × 20,072.81
  4. Step 4: Simplify right side
    36,839.81x = 1,020,488,664.90
  5. Step 5: Solve for x
    x = 1,020,488,664.90/36,839.81
  6. Step 6: Final answer
    x = 27,700.70

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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.