Home / 31,284.80-43,173.08-16,944.66

Finding the Fourth Proportional to 31,284.80, 43,173.08 and 16,944.66

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Solution

The fourth proportional to 31,284.80, 43,173.08 and 16,944.66 is: 23,383.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.80 : 43,173.08 = 16,944.66 : x
  2. Step 2: Convert to fraction form
    31,284.80/43,173.08 = 16,944.66/x
  3. Step 3: Cross multiply
    31,284.80x = 43,173.08 × 16,944.66
  4. Step 4: Simplify right side
    31,284.80x = 731,553,366.01
  5. Step 5: Solve for x
    x = 731,553,366.01/31,284.80
  6. Step 6: Final answer
    x = 23,383.67

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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.