Home / 36,149.24-49,887-20,233.28

Finding the Fourth Proportional to 36,149.24, 49,887 and 20,233.28

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Solution

The fourth proportional to 36,149.24, 49,887 and 20,233.28 is: 27,922.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,149.24 : 49,887 = 20,233.28 : x
  2. Step 2: Convert to fraction form
    36,149.24/49,887 = 20,233.28/x
  3. Step 3: Cross multiply
    36,149.24x = 49,887 × 20,233.28
  4. Step 4: Simplify right side
    36,149.24x = 1,009,377,389.93
  5. Step 5: Solve for x
    x = 1,009,377,389.93/36,149.24
  6. Step 6: Final answer
    x = 27,922.51

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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.