Home / 30,568.45-45,852.74-8,382.14

Finding the Fourth Proportional to 30,568.45, 45,852.74 and 8,382.14

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Solution

The fourth proportional to 30,568.45, 45,852.74 and 8,382.14 is: 12,573.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,568.45 : 45,852.74 = 8,382.14 : x
  2. Step 2: Convert to fraction form
    30,568.45/45,852.74 = 8,382.14/x
  3. Step 3: Cross multiply
    30,568.45x = 45,852.74 × 8,382.14
  4. Step 4: Simplify right side
    30,568.45x = 384,344,044.15
  5. Step 5: Solve for x
    x = 384,344,044.15/30,568.45
  6. Step 6: Final answer
    x = 12,573.23

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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.