Home / 33,201.60-45,771.36-20,617.92

Finding the Fourth Proportional to 33,201.60, 45,771.36 and 20,617.92

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Solution

The fourth proportional to 33,201.60, 45,771.36 and 20,617.92 is: 28,423.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,201.60 : 45,771.36 = 20,617.92 : x
  2. Step 2: Convert to fraction form
    33,201.60/45,771.36 = 20,617.92/x
  3. Step 3: Cross multiply
    33,201.60x = 45,771.36 × 20,617.92
  4. Step 4: Simplify right side
    33,201.60x = 943,710,238.77
  5. Step 5: Solve for x
    x = 943,710,238.77/33,201.60
  6. Step 6: Final answer
    x = 28,423.64

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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.