Home / 54,281.41-81,356.46-27,971.80

Finding the Fourth Proportional to 54,281.41, 81,356.46 and 27,971.80

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Solution

The fourth proportional to 54,281.41, 81,356.46 and 27,971.80 is: 41,923.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.41 : 81,356.46 = 27,971.80 : x
  2. Step 2: Convert to fraction form
    54,281.41/81,356.46 = 27,971.80/x
  3. Step 3: Cross multiply
    54,281.41x = 81,356.46 × 27,971.80
  4. Step 4: Simplify right side
    54,281.41x = 2,275,686,627.83
  5. Step 5: Solve for x
    x = 2,275,686,627.83/54,281.41
  6. Step 6: Final answer
    x = 41,923.87

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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.