Home / 31,628.37-43,647.06-18,016.41

Finding the Fourth Proportional to 31,628.37, 43,647.06 and 18,016.41

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Solution

The fourth proportional to 31,628.37, 43,647.06 and 18,016.41 is: 24,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.37 : 43,647.06 = 18,016.41 : x
  2. Step 2: Convert to fraction form
    31,628.37/43,647.06 = 18,016.41/x
  3. Step 3: Cross multiply
    31,628.37x = 43,647.06 × 18,016.41
  4. Step 4: Simplify right side
    31,628.37x = 786,363,110.02
  5. Step 5: Solve for x
    x = 786,363,110.02/31,628.37
  6. Step 6: Final answer
    x = 24,862.59

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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.