Home / 30,190.32-45,281.97-8,005.23

Finding the Fourth Proportional to 30,190.32, 45,281.97 and 8,005.23

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Solution

The fourth proportional to 30,190.32, 45,281.97 and 8,005.23 is: 12,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,190.32 : 45,281.97 = 8,005.23 : x
  2. Step 2: Convert to fraction form
    30,190.32/45,281.97 = 8,005.23/x
  3. Step 3: Cross multiply
    30,190.32x = 45,281.97 × 8,005.23
  4. Step 4: Simplify right side
    30,190.32x = 362,492,584.70
  5. Step 5: Solve for x
    x = 362,492,584.70/30,190.32
  6. Step 6: Final answer
    x = 12,006.91

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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.