Home / 30,118.70-41,560.43-16,686.56

Finding the Fourth Proportional to 30,118.70, 41,560.43 and 16,686.56

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Solution

The fourth proportional to 30,118.70, 41,560.43 and 16,686.56 is: 23,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.70 : 41,560.43 = 16,686.56 : x
  2. Step 2: Convert to fraction form
    30,118.70/41,560.43 = 16,686.56/x
  3. Step 3: Cross multiply
    30,118.70x = 41,560.43 × 16,686.56
  4. Step 4: Simplify right side
    30,118.70x = 693,500,629.29
  5. Step 5: Solve for x
    x = 693,500,629.29/30,118.70
  6. Step 6: Final answer
    x = 23,025.58

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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.