Home / 33,501.60-46,218.60-20,745.72

Finding the Fourth Proportional to 33,501.60, 46,218.60 and 20,745.72

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Solution

The fourth proportional to 33,501.60, 46,218.60 and 20,745.72 is: 28,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,501.60 : 46,218.60 = 20,745.72 : x
  2. Step 2: Convert to fraction form
    33,501.60/46,218.60 = 20,745.72/x
  3. Step 3: Cross multiply
    33,501.60x = 46,218.60 × 20,745.72
  4. Step 4: Simplify right side
    33,501.60x = 958,838,134.39
  5. Step 5: Solve for x
    x = 958,838,134.39/33,501.60
  6. Step 6: Final answer
    x = 28,620.67

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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.