Home / 54,230.68-74,829.72-30,358.36

Finding the Fourth Proportional to 54,230.68, 74,829.72 and 30,358.36

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Solution

The fourth proportional to 54,230.68, 74,829.72 and 30,358.36 is: 41,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,230.68 : 74,829.72 = 30,358.36 : x
  2. Step 2: Convert to fraction form
    54,230.68/74,829.72 = 30,358.36/x
  3. Step 3: Cross multiply
    54,230.68x = 74,829.72 × 30,358.36
  4. Step 4: Simplify right side
    54,230.68x = 2,271,707,578.46
  5. Step 5: Solve for x
    x = 2,271,707,578.46/54,230.68
  6. Step 6: Final answer
    x = 41,889.71

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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.