Home / 21,050.44-31,578.54-9,363.40

Finding the Fourth Proportional to 21,050.44, 31,578.54 and 9,363.40

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Solution

The fourth proportional to 21,050.44, 31,578.54 and 9,363.40 is: 14,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050.44 : 31,578.54 = 9,363.40 : x
  2. Step 2: Convert to fraction form
    21,050.44/31,578.54 = 9,363.40/x
  3. Step 3: Cross multiply
    21,050.44x = 31,578.54 × 9,363.40
  4. Step 4: Simplify right side
    21,050.44x = 295,682,501.44
  5. Step 5: Solve for x
    x = 295,682,501.44/21,050.44
  6. Step 6: Final answer
    x = 14,046.38

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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.