Home / 35,642.64-49,183.50-21,299.61

Finding the Fourth Proportional to 35,642.64, 49,183.50 and 21,299.61

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Solution

The fourth proportional to 35,642.64, 49,183.50 and 21,299.61 is: 29,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.64 : 49,183.50 = 21,299.61 : x
  2. Step 2: Convert to fraction form
    35,642.64/49,183.50 = 21,299.61/x
  3. Step 3: Cross multiply
    35,642.64x = 49,183.50 × 21,299.61
  4. Step 4: Simplify right side
    35,642.64x = 1,047,589,301.87
  5. Step 5: Solve for x
    x = 1,047,589,301.87/35,642.64
  6. Step 6: Final answer
    x = 29,391.47

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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.