Home / 54,369.05-75,033.81-30,172.29

Finding the Fourth Proportional to 54,369.05, 75,033.81 and 30,172.29

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Solution

The fourth proportional to 54,369.05, 75,033.81 and 30,172.29 is: 41,640.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,369.05 : 75,033.81 = 30,172.29 : x
  2. Step 2: Convert to fraction form
    54,369.05/75,033.81 = 30,172.29/x
  3. Step 3: Cross multiply
    54,369.05x = 75,033.81 × 30,172.29
  4. Step 4: Simplify right side
    54,369.05x = 2,263,941,875.12
  5. Step 5: Solve for x
    x = 2,263,941,875.12/54,369.05
  6. Step 6: Final answer
    x = 41,640.27

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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.