Home / 54,419.58-75,100.37-30,548.07

Finding the Fourth Proportional to 54,419.58, 75,100.37 and 30,548.07

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Solution

The fourth proportional to 54,419.58, 75,100.37 and 30,548.07 is: 42,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,419.58 : 75,100.37 = 30,548.07 : x
  2. Step 2: Convert to fraction form
    54,419.58/75,100.37 = 30,548.07/x
  3. Step 3: Cross multiply
    54,419.58x = 75,100.37 × 30,548.07
  4. Step 4: Simplify right side
    54,419.58x = 2,294,171,207.05
  5. Step 5: Solve for x
    x = 2,294,171,207.05/54,419.58
  6. Step 6: Final answer
    x = 42,157.09

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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.