Home / 30,267.72-41,768.19-16,839.54

Finding the Fourth Proportional to 30,267.72, 41,768.19 and 16,839.54

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Solution

The fourth proportional to 30,267.72, 41,768.19 and 16,839.54 is: 23,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,267.72 : 41,768.19 = 16,839.54 : x
  2. Step 2: Convert to fraction form
    30,267.72/41,768.19 = 16,839.54/x
  3. Step 3: Cross multiply
    30,267.72x = 41,768.19 × 16,839.54
  4. Step 4: Simplify right side
    30,267.72x = 703,357,106.23
  5. Step 5: Solve for x
    x = 703,357,106.23/30,267.72
  6. Step 6: Final answer
    x = 23,237.86

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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.