Home / 54,219.60-81,329.40-27,975.60

Finding the Fourth Proportional to 54,219.60, 81,329.40 and 27,975.60

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Solution

The fourth proportional to 54,219.60, 81,329.40 and 27,975.60 is: 41,963.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,219.60 : 81,329.40 = 27,975.60 : x
  2. Step 2: Convert to fraction form
    54,219.60/81,329.40 = 27,975.60/x
  3. Step 3: Cross multiply
    54,219.60x = 81,329.40 × 27,975.60
  4. Step 4: Simplify right side
    54,219.60x = 2,275,238,762.64
  5. Step 5: Solve for x
    x = 2,275,238,762.64/54,219.60
  6. Step 6: Final answer
    x = 41,963.40

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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.