Home / 54,429.56-75,112.49-30,556.23

Finding the Fourth Proportional to 54,429.56, 75,112.49 and 30,556.23

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Solution

The fourth proportional to 54,429.56, 75,112.49 and 30,556.23 is: 42,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,429.56 : 75,112.49 = 30,556.23 : x
  2. Step 2: Convert to fraction form
    54,429.56/75,112.49 = 30,556.23/x
  3. Step 3: Cross multiply
    54,429.56x = 75,112.49 × 30,556.23
  4. Step 4: Simplify right side
    54,429.56x = 2,295,154,520.31
  5. Step 5: Solve for x
    x = 2,295,154,520.31/54,429.56
  6. Step 6: Final answer
    x = 42,167.43

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1.5x scale

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.