Home / 37,939.78-52,361.85-21,176.26

Finding the Fourth Proportional to 37,939.78, 52,361.85 and 21,176.26

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Solution

The fourth proportional to 37,939.78, 52,361.85 and 21,176.26 is: 29,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,939.78 : 52,361.85 = 21,176.26 : x
  2. Step 2: Convert to fraction form
    37,939.78/52,361.85 = 21,176.26/x
  3. Step 3: Cross multiply
    37,939.78x = 52,361.85 × 21,176.26
  4. Step 4: Simplify right side
    37,939.78x = 1,108,828,149.68
  5. Step 5: Solve for x
    x = 1,108,828,149.68/37,939.78
  6. Step 6: Final answer
    x = 29,226.00

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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.