Home / 33,277.50-45,922.92-21,340.80

Finding the Fourth Proportional to 33,277.50, 45,922.92 and 21,340.80

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Solution

The fourth proportional to 33,277.50, 45,922.92 and 21,340.80 is: 29,450.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,277.50 : 45,922.92 = 21,340.80 : x
  2. Step 2: Convert to fraction form
    33,277.50/45,922.92 = 21,340.80/x
  3. Step 3: Cross multiply
    33,277.50x = 45,922.92 × 21,340.80
  4. Step 4: Simplify right side
    33,277.50x = 980,031,851.14
  5. Step 5: Solve for x
    x = 980,031,851.14/33,277.50
  6. Step 6: Final answer
    x = 29,450.28

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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.