Home / 33,221.12-45,846.40-19,075.20

Finding the Fourth Proportional to 33,221.12, 45,846.40 and 19,075.20

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Solution

The fourth proportional to 33,221.12, 45,846.40 and 19,075.20 is: 26,324.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.12 : 45,846.40 = 19,075.20 : x
  2. Step 2: Convert to fraction form
    33,221.12/45,846.40 = 19,075.20/x
  3. Step 3: Cross multiply
    33,221.12x = 45,846.40 × 19,075.20
  4. Step 4: Simplify right side
    33,221.12x = 874,529,249.28
  5. Step 5: Solve for x
    x = 874,529,249.28/33,221.12
  6. Step 6: Final answer
    x = 26,324.50

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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.