Home / 54,481.57-75,176.21-30,603.62

Finding the Fourth Proportional to 54,481.57, 75,176.21 and 30,603.62

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Solution

The fourth proportional to 54,481.57, 75,176.21 and 30,603.62 is: 42,228.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.57 : 75,176.21 = 30,603.62 : x
  2. Step 2: Convert to fraction form
    54,481.57/75,176.21 = 30,603.62/x
  3. Step 3: Cross multiply
    54,481.57x = 75,176.21 × 30,603.62
  4. Step 4: Simplify right side
    54,481.57x = 2,300,664,428.33
  5. Step 5: Solve for x
    x = 2,300,664,428.33/54,481.57
  6. Step 6: Final answer
    x = 42,228.31

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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.