Home / 54,731.54-75,533.79-30,540.11

Finding the Fourth Proportional to 54,731.54, 75,533.79 and 30,540.11

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Solution

The fourth proportional to 54,731.54, 75,533.79 and 30,540.11 is: 42,147.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,731.54 : 75,533.79 = 30,540.11 : x
  2. Step 2: Convert to fraction form
    54,731.54/75,533.79 = 30,540.11/x
  3. Step 3: Cross multiply
    54,731.54x = 75,533.79 × 30,540.11
  4. Step 4: Simplify right side
    54,731.54x = 2,306,810,255.32
  5. Step 5: Solve for x
    x = 2,306,810,255.32/54,731.54
  6. Step 6: Final answer
    x = 42,147.74

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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.