Home / 30,297.85-41,817.97-19,669.03

Finding the Fourth Proportional to 30,297.85, 41,817.97 and 19,669.03

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Solution

The fourth proportional to 30,297.85, 41,817.97 and 19,669.03 is: 27,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,297.85 : 41,817.97 = 19,669.03 : x
  2. Step 2: Convert to fraction form
    30,297.85/41,817.97 = 19,669.03/x
  3. Step 3: Cross multiply
    30,297.85x = 41,817.97 × 19,669.03
  4. Step 4: Simplify right side
    30,297.85x = 822,518,826.51
  5. Step 5: Solve for x
    x = 822,518,826.51/30,297.85
  6. Step 6: Final answer
    x = 27,147.76

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1.5x scale

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.