Home / 30,305.56-41,821.34-16,876.52

Finding the Fourth Proportional to 30,305.56, 41,821.34 and 16,876.52

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Solution

The fourth proportional to 30,305.56, 41,821.34 and 16,876.52 is: 23,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.56 : 41,821.34 = 16,876.52 : x
  2. Step 2: Convert to fraction form
    30,305.56/41,821.34 = 16,876.52/x
  3. Step 3: Cross multiply
    30,305.56x = 41,821.34 × 16,876.52
  4. Step 4: Simplify right side
    30,305.56x = 705,798,680.94
  5. Step 5: Solve for x
    x = 705,798,680.94/30,305.56
  6. Step 6: Final answer
    x = 23,289.41

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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.