Home / 30,255.44-45,385.33-8,068.70

Finding the Fourth Proportional to 30,255.44, 45,385.33 and 8,068.70

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Solution

The fourth proportional to 30,255.44, 45,385.33 and 8,068.70 is: 12,103.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.44 : 45,385.33 = 8,068.70 : x
  2. Step 2: Convert to fraction form
    30,255.44/45,385.33 = 8,068.70/x
  3. Step 3: Cross multiply
    30,255.44x = 45,385.33 × 8,068.70
  4. Step 4: Simplify right side
    30,255.44x = 366,200,612.17
  5. Step 5: Solve for x
    x = 366,200,612.17/30,255.44
  6. Step 6: Final answer
    x = 12,103.63

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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.