Home / 30,128.46-41,596.64-19,377.96

Finding the Fourth Proportional to 30,128.46, 41,596.64 and 19,377.96

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Solution

The fourth proportional to 30,128.46, 41,596.64 and 19,377.96 is: 26,754.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.46 : 41,596.64 = 19,377.96 : x
  2. Step 2: Convert to fraction form
    30,128.46/41,596.64 = 19,377.96/x
  3. Step 3: Cross multiply
    30,128.46x = 41,596.64 × 19,377.96
  4. Step 4: Simplify right side
    30,128.46x = 806,058,026.05
  5. Step 5: Solve for x
    x = 806,058,026.05/30,128.46
  6. Step 6: Final answer
    x = 26,754.04

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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.