Home / 74,540.67-111,788.24-21,237

Finding the Fourth Proportional to 74,540.67, 111,788.24 and 21,237

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Solution

The fourth proportional to 74,540.67, 111,788.24 and 21,237 is: 31,849.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.67 : 111,788.24 = 21,237 : x
  2. Step 2: Convert to fraction form
    74,540.67/111,788.24 = 21,237/x
  3. Step 3: Cross multiply
    74,540.67x = 111,788.24 × 21,237
  4. Step 4: Simplify right side
    74,540.67x = 2,374,046,852.88
  5. Step 5: Solve for x
    x = 2,374,046,852.88/74,540.67
  6. Step 6: Final answer
    x = 31,849.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.