Home / 33,222.68-45,859.56-20,477.96

Finding the Fourth Proportional to 33,222.68, 45,859.56 and 20,477.96

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Solution

The fourth proportional to 33,222.68, 45,859.56 and 20,477.96 is: 28,267.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,222.68 : 45,859.56 = 20,477.96 : x
  2. Step 2: Convert to fraction form
    33,222.68/45,859.56 = 20,477.96/x
  3. Step 3: Cross multiply
    33,222.68x = 45,859.56 × 20,477.96
  4. Step 4: Simplify right side
    33,222.68x = 939,110,235.30
  5. Step 5: Solve for x
    x = 939,110,235.30/33,222.68
  6. Step 6: Final answer
    x = 28,267.14

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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.