Home / 30,112.56-41,551.95-16,680.48

Finding the Fourth Proportional to 30,112.56, 41,551.95 and 16,680.48

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Solution

The fourth proportional to 30,112.56, 41,551.95 and 16,680.48 is: 23,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.56 : 41,551.95 = 16,680.48 : x
  2. Step 2: Convert to fraction form
    30,112.56/41,551.95 = 16,680.48/x
  3. Step 3: Cross multiply
    30,112.56x = 41,551.95 × 16,680.48
  4. Step 4: Simplify right side
    30,112.56x = 693,106,470.94
  5. Step 5: Solve for x
    x = 693,106,470.94/30,112.56
  6. Step 6: Final answer
    x = 23,017.19

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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.