Home / 36,144.93-49,879.56-20,229.51

Finding the Fourth Proportional to 36,144.93, 49,879.56 and 20,229.51

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Solution

The fourth proportional to 36,144.93, 49,879.56 and 20,229.51 is: 27,916.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,144.93 : 49,879.56 = 20,229.51 : x
  2. Step 2: Convert to fraction form
    36,144.93/49,879.56 = 20,229.51/x
  3. Step 3: Cross multiply
    36,144.93x = 49,879.56 × 20,229.51
  4. Step 4: Simplify right side
    36,144.93x = 1,009,039,057.82
  5. Step 5: Solve for x
    x = 1,009,039,057.82/36,144.93
  6. Step 6: Final answer
    x = 27,916.48

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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.