Home / 37,928-52,343.16-21,161.36

Finding the Fourth Proportional to 37,928, 52,343.16 and 21,161.36

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Solution

The fourth proportional to 37,928, 52,343.16 and 21,161.36 is: 29,204.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,928 : 52,343.16 = 21,161.36 : x
  2. Step 2: Convert to fraction form
    37,928/52,343.16 = 21,161.36/x
  3. Step 3: Cross multiply
    37,928x = 52,343.16 × 21,161.36
  4. Step 4: Simplify right side
    37,928x = 1,107,652,452.30
  5. Step 5: Solve for x
    x = 1,107,652,452.30/37,928
  6. Step 6: Final answer
    x = 29,204.08

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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.