Home / 36,229.51-49,987.27-20,912.31

Finding the Fourth Proportional to 36,229.51, 49,987.27 and 20,912.31

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Solution

The fourth proportional to 36,229.51, 49,987.27 and 20,912.31 is: 28,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.51 : 49,987.27 = 20,912.31 : x
  2. Step 2: Convert to fraction form
    36,229.51/49,987.27 = 20,912.31/x
  3. Step 3: Cross multiply
    36,229.51x = 49,987.27 × 20,912.31
  4. Step 4: Simplify right side
    36,229.51x = 1,045,349,286.29
  5. Step 5: Solve for x
    x = 1,045,349,286.29/36,229.51
  6. Step 6: Final answer
    x = 28,853.53

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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.