Home / 54,038.12-74,571.36-30,167

Finding the Fourth Proportional to 54,038.12, 74,571.36 and 30,167

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Solution

The fourth proportional to 54,038.12, 74,571.36 and 30,167 is: 41,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,038.12 : 74,571.36 = 30,167 : x
  2. Step 2: Convert to fraction form
    54,038.12/74,571.36 = 30,167/x
  3. Step 3: Cross multiply
    54,038.12x = 74,571.36 × 30,167
  4. Step 4: Simplify right side
    54,038.12x = 2,249,594,217.12
  5. Step 5: Solve for x
    x = 2,249,594,217.12/54,038.12
  6. Step 6: Final answer
    x = 41,629.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.