Home / 54,848.51-82,272.77-19,788.15

Finding the Fourth Proportional to 54,848.51, 82,272.77 and 19,788.15

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Solution

The fourth proportional to 54,848.51, 82,272.77 and 19,788.15 is: 29,682.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,848.51 : 82,272.77 = 19,788.15 : x
  2. Step 2: Convert to fraction form
    54,848.51/82,272.77 = 19,788.15/x
  3. Step 3: Cross multiply
    54,848.51x = 82,272.77 × 19,788.15
  4. Step 4: Simplify right side
    54,848.51x = 1,628,025,913.68
  5. Step 5: Solve for x
    x = 1,628,025,913.68/54,848.51
  6. Step 6: Final answer
    x = 29,682.23

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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.