Home / 54,458.78-75,155.19-30,261.54

Finding the Fourth Proportional to 54,458.78, 75,155.19 and 30,261.54

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Solution

The fourth proportional to 54,458.78, 75,155.19 and 30,261.54 is: 41,762.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,458.78 : 75,155.19 = 30,261.54 : x
  2. Step 2: Convert to fraction form
    54,458.78/75,155.19 = 30,261.54/x
  3. Step 3: Cross multiply
    54,458.78x = 75,155.19 × 30,261.54
  4. Step 4: Simplify right side
    54,458.78x = 2,274,311,788.39
  5. Step 5: Solve for x
    x = 2,274,311,788.39/54,458.78
  6. Step 6: Final answer
    x = 41,762.08

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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.