Home / 30,197.40-41,672.79-16,769.49

Finding the Fourth Proportional to 30,197.40, 41,672.79 and 16,769.49

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Solution

The fourth proportional to 30,197.40, 41,672.79 and 16,769.49 is: 23,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,197.40 : 41,672.79 = 16,769.49 : x
  2. Step 2: Convert to fraction form
    30,197.40/41,672.79 = 16,769.49/x
  3. Step 3: Cross multiply
    30,197.40x = 41,672.79 × 16,769.49
  4. Step 4: Simplify right side
    30,197.40x = 698,831,435.18
  5. Step 5: Solve for x
    x = 698,831,435.18/30,197.40
  6. Step 6: Final answer
    x = 23,142.11

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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.