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Finding the Fourth Proportional to 30,323.40, 41,845.68 and 16,894.68

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Solution

The fourth proportional to 30,323.40, 41,845.68 and 16,894.68 is: 23,314.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,323.40 : 41,845.68 = 16,894.68 : x
  2. Step 2: Convert to fraction form
    30,323.40/41,845.68 = 16,894.68/x
  3. Step 3: Cross multiply
    30,323.40x = 41,845.68 × 16,894.68
  4. Step 4: Simplify right side
    30,323.40x = 706,969,372.98
  5. Step 5: Solve for x
    x = 706,969,372.98/30,323.40
  6. Step 6: Final answer
    x = 23,314.32

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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.