Home / 30,056.70-41,478.41-16,628.43

Finding the Fourth Proportional to 30,056.70, 41,478.41 and 16,628.43

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Solution

The fourth proportional to 30,056.70, 41,478.41 and 16,628.43 is: 22,947.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.70 : 41,478.41 = 16,628.43 : x
  2. Step 2: Convert to fraction form
    30,056.70/41,478.41 = 16,628.43/x
  3. Step 3: Cross multiply
    30,056.70x = 41,478.41 × 16,628.43
  4. Step 4: Simplify right side
    30,056.70x = 689,720,546.66
  5. Step 5: Solve for x
    x = 689,720,546.66/30,056.70
  6. Step 6: Final answer
    x = 22,947.31

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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.