Home / 30,075.42-41,475.69-22,435.56

Finding the Fourth Proportional to 30,075.42, 41,475.69 and 22,435.56

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Solution

The fourth proportional to 30,075.42, 41,475.69 and 22,435.56 is: 30,939.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.42 : 41,475.69 = 22,435.56 : x
  2. Step 2: Convert to fraction form
    30,075.42/41,475.69 = 22,435.56/x
  3. Step 3: Cross multiply
    30,075.42x = 41,475.69 × 22,435.56
  4. Step 4: Simplify right side
    30,075.42x = 930,530,219.36
  5. Step 5: Solve for x
    x = 930,530,219.36/30,075.42
  6. Step 6: Final answer
    x = 30,939.89

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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.