Home / 54,810.58-82,215.92-13,257.62

Finding the Fourth Proportional to 54,810.58, 82,215.92 and 13,257.62

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Solution

The fourth proportional to 54,810.58, 82,215.92 and 13,257.62 is: 19,886.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,810.58 : 82,215.92 = 13,257.62 : x
  2. Step 2: Convert to fraction form
    54,810.58/82,215.92 = 13,257.62/x
  3. Step 3: Cross multiply
    54,810.58x = 82,215.92 × 13,257.62
  4. Step 4: Simplify right side
    54,810.58x = 1,089,987,425.31
  5. Step 5: Solve for x
    x = 1,089,987,425.31/54,810.58
  6. Step 6: Final answer
    x = 19,886.44

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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.