Home / 54,829.28-75,664.44-30,956

Finding the Fourth Proportional to 54,829.28, 75,664.44 and 30,956

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Solution

The fourth proportional to 54,829.28, 75,664.44 and 30,956 is: 42,719.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.28 : 75,664.44 = 30,956 : x
  2. Step 2: Convert to fraction form
    54,829.28/75,664.44 = 30,956/x
  3. Step 3: Cross multiply
    54,829.28x = 75,664.44 × 30,956
  4. Step 4: Simplify right side
    54,829.28x = 2,342,268,404.64
  5. Step 5: Solve for x
    x = 2,342,268,404.64/54,829.28
  6. Step 6: Final answer
    x = 42,719.30

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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.