Home / 30,366.98-41,906.32-16,938.22

Finding the Fourth Proportional to 30,366.98, 41,906.32 and 16,938.22

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Solution

The fourth proportional to 30,366.98, 41,906.32 and 16,938.22 is: 23,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.98 : 41,906.32 = 16,938.22 : x
  2. Step 2: Convert to fraction form
    30,366.98/41,906.32 = 16,938.22/x
  3. Step 3: Cross multiply
    30,366.98x = 41,906.32 × 16,938.22
  4. Step 4: Simplify right side
    30,366.98x = 709,818,467.55
  5. Step 5: Solve for x
    x = 709,818,467.55/30,366.98
  6. Step 6: Final answer
    x = 23,374.68

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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.