Home / 54,829.31-75,663.79-30,956.99

Finding the Fourth Proportional to 54,829.31, 75,663.79 and 30,956.99

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Solution

The fourth proportional to 54,829.31, 75,663.79 and 30,956.99 is: 42,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,829.31 : 75,663.79 = 30,956.99 : x
  2. Step 2: Convert to fraction form
    54,829.31/75,663.79 = 30,956.99/x
  3. Step 3: Cross multiply
    54,829.31x = 75,663.79 × 30,956.99
  4. Step 4: Simplify right side
    54,829.31x = 2,342,322,734.68
  5. Step 5: Solve for x
    x = 2,342,322,734.68/54,829.31
  6. Step 6: Final answer
    x = 42,720.27

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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.