Home / 54,243.60-81,378.39-22,636.08

Finding the Fourth Proportional to 54,243.60, 81,378.39 and 22,636.08

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Solution

The fourth proportional to 54,243.60, 81,378.39 and 22,636.08 is: 33,959.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.60 : 81,378.39 = 22,636.08 : x
  2. Step 2: Convert to fraction form
    54,243.60/81,378.39 = 22,636.08/x
  3. Step 3: Cross multiply
    54,243.60x = 81,378.39 × 22,636.08
  4. Step 4: Simplify right side
    54,243.60x = 1,842,087,746.31
  5. Step 5: Solve for x
    x = 1,842,087,746.31/54,243.60
  6. Step 6: Final answer
    x = 33,959.54

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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.