Home / 30,203.70-41,679.33-16,774.17

Finding the Fourth Proportional to 30,203.70, 41,679.33 and 16,774.17

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Solution

The fourth proportional to 30,203.70, 41,679.33 and 16,774.17 is: 23,147.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,203.70 : 41,679.33 = 16,774.17 : x
  2. Step 2: Convert to fraction form
    30,203.70/41,679.33 = 16,774.17/x
  3. Step 3: Cross multiply
    30,203.70x = 41,679.33 × 16,774.17
  4. Step 4: Simplify right side
    30,203.70x = 699,136,166.91
  5. Step 5: Solve for x
    x = 699,136,166.91/30,203.70
  6. Step 6: Final answer
    x = 23,147.37

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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.