Home / 54,689.24-82,034.26-19,629.20

Finding the Fourth Proportional to 54,689.24, 82,034.26 and 19,629.20

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Solution

The fourth proportional to 54,689.24, 82,034.26 and 19,629.20 is: 29,443.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,689.24 : 82,034.26 = 19,629.20 : x
  2. Step 2: Convert to fraction form
    54,689.24/82,034.26 = 19,629.20/x
  3. Step 3: Cross multiply
    54,689.24x = 82,034.26 × 19,629.20
  4. Step 4: Simplify right side
    54,689.24x = 1,610,266,486.22
  5. Step 5: Solve for x
    x = 1,610,266,486.22/54,689.24
  6. Step 6: Final answer
    x = 29,443.94

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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.