Home / 30,402.94-41,951.76-16,972.33

Finding the Fourth Proportional to 30,402.94, 41,951.76 and 16,972.33

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Solution

The fourth proportional to 30,402.94, 41,951.76 and 16,972.33 is: 23,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.94 : 41,951.76 = 16,972.33 : x
  2. Step 2: Convert to fraction form
    30,402.94/41,951.76 = 16,972.33/x
  3. Step 3: Cross multiply
    30,402.94x = 41,951.76 × 16,972.33
  4. Step 4: Simplify right side
    30,402.94x = 712,019,114.80
  5. Step 5: Solve for x
    x = 712,019,114.80/30,402.94
  6. Step 6: Final answer
    x = 23,419.42

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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.