Home / 30,061.25-45,099.30-9,284.75

Finding the Fourth Proportional to 30,061.25, 45,099.30 and 9,284.75

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Solution

The fourth proportional to 30,061.25, 45,099.30 and 9,284.75 is: 13,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,061.25 : 45,099.30 = 9,284.75 : x
  2. Step 2: Convert to fraction form
    30,061.25/45,099.30 = 9,284.75/x
  3. Step 3: Cross multiply
    30,061.25x = 45,099.30 × 9,284.75
  4. Step 4: Simplify right side
    30,061.25x = 418,735,725.68
  5. Step 5: Solve for x
    x = 418,735,725.68/30,061.25
  6. Step 6: Final answer
    x = 13,929.42

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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.