Home / 54,516.26-81,758.58-21,228.90

Finding the Fourth Proportional to 54,516.26, 81,758.58 and 21,228.90

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Solution

The fourth proportional to 54,516.26, 81,758.58 and 21,228.90 is: 31,837.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,516.26 : 81,758.58 = 21,228.90 : x
  2. Step 2: Convert to fraction form
    54,516.26/81,758.58 = 21,228.90/x
  3. Step 3: Cross multiply
    54,516.26x = 81,758.58 × 21,228.90
  4. Step 4: Simplify right side
    54,516.26x = 1,735,644,718.96
  5. Step 5: Solve for x
    x = 1,735,644,718.96/54,516.26
  6. Step 6: Final answer
    x = 31,837.20

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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.