Home / 54,619.04-75,373.44-30,745.64

Finding the Fourth Proportional to 54,619.04, 75,373.44 and 30,745.64

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Solution

The fourth proportional to 54,619.04, 75,373.44 and 30,745.64 is: 42,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,619.04 : 75,373.44 = 30,745.64 : x
  2. Step 2: Convert to fraction form
    54,619.04/75,373.44 = 30,745.64/x
  3. Step 3: Cross multiply
    54,619.04x = 75,373.44 × 30,745.64
  4. Step 4: Simplify right side
    54,619.04x = 2,317,404,651.80
  5. Step 5: Solve for x
    x = 2,317,404,651.80/54,619.04
  6. Step 6: Final answer
    x = 42,428.51

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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.