Home / 40,075.56-55,305.24-22,170.90

Finding the Fourth Proportional to 40,075.56, 55,305.24 and 22,170.90

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Solution

The fourth proportional to 40,075.56, 55,305.24 and 22,170.90 is: 30,596.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,075.56 : 55,305.24 = 22,170.90 : x
  2. Step 2: Convert to fraction form
    40,075.56/55,305.24 = 22,170.90/x
  3. Step 3: Cross multiply
    40,075.56x = 55,305.24 × 22,170.90
  4. Step 4: Simplify right side
    40,075.56x = 1,226,166,945.52
  5. Step 5: Solve for x
    x = 1,226,166,945.52/40,075.56
  6. Step 6: Final answer
    x = 30,596.38

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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.