Home / 54,786.36-82,179.48-21,522.12

Finding the Fourth Proportional to 54,786.36, 82,179.48 and 21,522.12

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Solution

The fourth proportional to 54,786.36, 82,179.48 and 21,522.12 is: 32,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,786.36 : 82,179.48 = 21,522.12 : x
  2. Step 2: Convert to fraction form
    54,786.36/82,179.48 = 21,522.12/x
  3. Step 3: Cross multiply
    54,786.36x = 82,179.48 × 21,522.12
  4. Step 4: Simplify right side
    54,786.36x = 1,768,676,630.10
  5. Step 5: Solve for x
    x = 1,768,676,630.10/54,786.36
  6. Step 6: Final answer
    x = 32,283.16

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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.