Home / 36,939.08-50,963.27-21,019.53

Finding the Fourth Proportional to 36,939.08, 50,963.27 and 21,019.53

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Solution

The fourth proportional to 36,939.08, 50,963.27 and 21,019.53 is: 28,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,939.08 : 50,963.27 = 21,019.53 : x
  2. Step 2: Convert to fraction form
    36,939.08/50,963.27 = 21,019.53/x
  3. Step 3: Cross multiply
    36,939.08x = 50,963.27 × 21,019.53
  4. Step 4: Simplify right side
    36,939.08x = 1,071,223,877.57
  5. Step 5: Solve for x
    x = 1,071,223,877.57/36,939.08
  6. Step 6: Final answer
    x = 28,999.75

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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.