Home / 30,283.87-45,422.62-8,099.49

Finding the Fourth Proportional to 30,283.87, 45,422.62 and 8,099.49

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Solution

The fourth proportional to 30,283.87, 45,422.62 and 8,099.49 is: 12,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,283.87 : 45,422.62 = 8,099.49 : x
  2. Step 2: Convert to fraction form
    30,283.87/45,422.62 = 8,099.49/x
  3. Step 3: Cross multiply
    30,283.87x = 45,422.62 × 8,099.49
  4. Step 4: Simplify right side
    30,283.87x = 367,900,056.46
  5. Step 5: Solve for x
    x = 367,900,056.46/30,283.87
  6. Step 6: Final answer
    x = 12,148.38

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1.5x scale

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.