Home / 30,296.31-45,438.99-9,231.32

Finding the Fourth Proportional to 30,296.31, 45,438.99 and 9,231.32

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Solution

The fourth proportional to 30,296.31, 45,438.99 and 9,231.32 is: 13,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.31 : 45,438.99 = 9,231.32 : x
  2. Step 2: Convert to fraction form
    30,296.31/45,438.99 = 9,231.32/x
  3. Step 3: Cross multiply
    30,296.31x = 45,438.99 × 9,231.32
  4. Step 4: Simplify right side
    30,296.31x = 419,461,629.97
  5. Step 5: Solve for x
    x = 419,461,629.97/30,296.31
  6. Step 6: Final answer
    x = 13,845.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.