Home / 30,252.62-45,378.94-12,483.02

Finding the Fourth Proportional to 30,252.62, 45,378.94 and 12,483.02

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Solution

The fourth proportional to 30,252.62, 45,378.94 and 12,483.02 is: 18,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.62 : 45,378.94 = 12,483.02 : x
  2. Step 2: Convert to fraction form
    30,252.62/45,378.94 = 12,483.02/x
  3. Step 3: Cross multiply
    30,252.62x = 45,378.94 × 12,483.02
  4. Step 4: Simplify right side
    30,252.62x = 566,466,215.60
  5. Step 5: Solve for x
    x = 566,466,215.60/30,252.62
  6. Step 6: Final answer
    x = 18,724.53

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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.