Home / 36,703.81-50,653.71-20,571.31

Finding the Fourth Proportional to 36,703.81, 50,653.71 and 20,571.31

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Solution

The fourth proportional to 36,703.81, 50,653.71 and 20,571.31 is: 28,389.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.81 : 50,653.71 = 20,571.31 : x
  2. Step 2: Convert to fraction form
    36,703.81/50,653.71 = 20,571.31/x
  3. Step 3: Cross multiply
    36,703.81x = 50,653.71 × 20,571.31
  4. Step 4: Simplify right side
    36,703.81x = 1,042,012,814.94
  5. Step 5: Solve for x
    x = 1,042,012,814.94/36,703.81
  6. Step 6: Final answer
    x = 28,389.78

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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.