Home / 54,759.24-82,138.94-13,206.24

Finding the Fourth Proportional to 54,759.24, 82,138.94 and 13,206.24

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Solution

The fourth proportional to 54,759.24, 82,138.94 and 13,206.24 is: 19,809.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,759.24 : 82,138.94 = 13,206.24 : x
  2. Step 2: Convert to fraction form
    54,759.24/82,138.94 = 13,206.24/x
  3. Step 3: Cross multiply
    54,759.24x = 82,138.94 × 13,206.24
  4. Step 4: Simplify right side
    54,759.24x = 1,084,746,554.99
  5. Step 5: Solve for x
    x = 1,084,746,554.99/54,759.24
  6. Step 6: Final answer
    x = 19,809.38

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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.