Home / 54,036.12-74,568.60-30,165

Finding the Fourth Proportional to 54,036.12, 74,568.60 and 30,165

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Solution

The fourth proportional to 54,036.12, 74,568.60 and 30,165 is: 41,627.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.12 : 74,568.60 = 30,165 : x
  2. Step 2: Convert to fraction form
    54,036.12/74,568.60 = 30,165/x
  3. Step 3: Cross multiply
    54,036.12x = 74,568.60 × 30,165
  4. Step 4: Simplify right side
    54,036.12x = 2,249,361,819
  5. Step 5: Solve for x
    x = 2,249,361,819/54,036.12
  6. Step 6: Final answer
    x = 41,627.00

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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.