Home / 30,146.85-41,590.67-17,394.21

Finding the Fourth Proportional to 30,146.85, 41,590.67 and 17,394.21

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Solution

The fourth proportional to 30,146.85, 41,590.67 and 17,394.21 is: 23,997.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,146.85 : 41,590.67 = 17,394.21 : x
  2. Step 2: Convert to fraction form
    30,146.85/41,590.67 = 17,394.21/x
  3. Step 3: Cross multiply
    30,146.85x = 41,590.67 × 17,394.21
  4. Step 4: Simplify right side
    30,146.85x = 723,436,761.05
  5. Step 5: Solve for x
    x = 723,436,761.05/30,146.85
  6. Step 6: Final answer
    x = 23,997.09

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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.