Home / 54,466.65-81,683.78-21,167.55

Finding the Fourth Proportional to 54,466.65, 81,683.78 and 21,167.55

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Solution

The fourth proportional to 54,466.65, 81,683.78 and 21,167.55 is: 31,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,466.65 : 81,683.78 = 21,167.55 : x
  2. Step 2: Convert to fraction form
    54,466.65/81,683.78 = 21,167.55/x
  3. Step 3: Cross multiply
    54,466.65x = 81,683.78 × 21,167.55
  4. Step 4: Simplify right side
    54,466.65x = 1,729,045,391.50
  5. Step 5: Solve for x
    x = 1,729,045,391.50/54,466.65
  6. Step 6: Final answer
    x = 31,745.03

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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.