Home / 30,364.18-41,902.80-16,936.30

Finding the Fourth Proportional to 30,364.18, 41,902.80 and 16,936.30

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Solution

The fourth proportional to 30,364.18, 41,902.80 and 16,936.30 is: 23,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,364.18 : 41,902.80 = 16,936.30 : x
  2. Step 2: Convert to fraction form
    30,364.18/41,902.80 = 16,936.30/x
  3. Step 3: Cross multiply
    30,364.18x = 41,902.80 × 16,936.30
  4. Step 4: Simplify right side
    30,364.18x = 709,678,391.64
  5. Step 5: Solve for x
    x = 709,678,391.64/30,364.18
  6. Step 6: Final answer
    x = 23,372.22

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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.