Home / 54,075.44-81,117.92-19,015.36

Finding the Fourth Proportional to 54,075.44, 81,117.92 and 19,015.36

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Solution

The fourth proportional to 54,075.44, 81,117.92 and 19,015.36 is: 28,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,075.44 : 81,117.92 = 19,015.36 : x
  2. Step 2: Convert to fraction form
    54,075.44/81,117.92 = 19,015.36/x
  3. Step 3: Cross multiply
    54,075.44x = 81,117.92 × 19,015.36
  4. Step 4: Simplify right side
    54,075.44x = 1,542,486,451.25
  5. Step 5: Solve for x
    x = 1,542,486,451.25/54,075.44
  6. Step 6: Final answer
    x = 28,524.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.