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Finding the Fourth Proportional to 30,300, 41,817.24 and 17,735.28

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Solution

The fourth proportional to 30,300, 41,817.24 and 17,735.28 is: 24,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300 : 41,817.24 = 17,735.28 : x
  2. Step 2: Convert to fraction form
    30,300/41,817.24 = 17,735.28/x
  3. Step 3: Cross multiply
    30,300x = 41,817.24 × 17,735.28
  4. Step 4: Simplify right side
    30,300x = 741,640,460.23
  5. Step 5: Solve for x
    x = 741,640,460.23/30,300
  6. Step 6: Final answer
    x = 24,476.58

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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.