Home / 54,078.36-74,633.43-30,206.57

Finding the Fourth Proportional to 54,078.36, 74,633.43 and 30,206.57

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Solution

The fourth proportional to 54,078.36, 74,633.43 and 30,206.57 is: 41,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,078.36 : 74,633.43 = 30,206.57 : x
  2. Step 2: Convert to fraction form
    54,078.36/74,633.43 = 30,206.57/x
  3. Step 3: Cross multiply
    54,078.36x = 74,633.43 × 30,206.57
  4. Step 4: Simplify right side
    54,078.36x = 2,254,419,832.69
  5. Step 5: Solve for x
    x = 2,254,419,832.69/54,078.36
  6. Step 6: Final answer
    x = 41,688.02

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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.