Home / 54,728.75-75,525.56-30,855.26

Finding the Fourth Proportional to 54,728.75, 75,525.56 and 30,855.26

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Solution

The fourth proportional to 54,728.75, 75,525.56 and 30,855.26 is: 42,580.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.75 : 75,525.56 = 30,855.26 : x
  2. Step 2: Convert to fraction form
    54,728.75/75,525.56 = 30,855.26/x
  3. Step 3: Cross multiply
    54,728.75x = 75,525.56 × 30,855.26
  4. Step 4: Simplify right side
    54,728.75x = 2,330,360,258.54
  5. Step 5: Solve for x
    x = 2,330,360,258.54/54,728.75
  6. Step 6: Final answer
    x = 42,580.18

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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.