Home / 69,390.12-95,757.84-39,185.22

Finding the Fourth Proportional to 69,390.12, 95,757.84 and 39,185.22

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Solution

The fourth proportional to 69,390.12, 95,757.84 and 39,185.22 is: 54,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,390.12 : 95,757.84 = 39,185.22 : x
  2. Step 2: Convert to fraction form
    69,390.12/95,757.84 = 39,185.22/x
  3. Step 3: Cross multiply
    69,390.12x = 95,757.84 × 39,185.22
  4. Step 4: Simplify right side
    69,390.12x = 3,752,292,027.12
  5. Step 5: Solve for x
    x = 3,752,292,027.12/69,390.12
  6. Step 6: Final answer
    x = 54,075.31

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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.