Home / 54,922.12-82,382.41-21,642.47

Finding the Fourth Proportional to 54,922.12, 82,382.41 and 21,642.47

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Solution

The fourth proportional to 54,922.12, 82,382.41 and 21,642.47 is: 32,463.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,922.12 : 82,382.41 = 21,642.47 : x
  2. Step 2: Convert to fraction form
    54,922.12/82,382.41 = 21,642.47/x
  3. Step 3: Cross multiply
    54,922.12x = 82,382.41 × 21,642.47
  4. Step 4: Simplify right side
    54,922.12x = 1,782,958,836.95
  5. Step 5: Solve for x
    x = 1,782,958,836.95/54,922.12
  6. Step 6: Final answer
    x = 32,463.40

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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.