Home / 38,108-52,583.77-21,108.03

Finding the Fourth Proportional to 38,108, 52,583.77 and 21,108.03

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Solution

The fourth proportional to 38,108, 52,583.77 and 21,108.03 is: 29,126.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,108 : 52,583.77 = 21,108.03 : x
  2. Step 2: Convert to fraction form
    38,108/52,583.77 = 21,108.03/x
  3. Step 3: Cross multiply
    38,108x = 52,583.77 × 21,108.03
  4. Step 4: Simplify right side
    38,108x = 1,109,939,794.67
  5. Step 5: Solve for x
    x = 1,109,939,794.67/38,108
  6. Step 6: Final answer
    x = 29,126.16

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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.