Home / 33,307.20-49,959.11-8,345.80

Finding the Fourth Proportional to 33,307.20, 49,959.11 and 8,345.80

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Solution

The fourth proportional to 33,307.20, 49,959.11 and 8,345.80 is: 12,518.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,307.20 : 49,959.11 = 8,345.80 : x
  2. Step 2: Convert to fraction form
    33,307.20/49,959.11 = 8,345.80/x
  3. Step 3: Cross multiply
    33,307.20x = 49,959.11 × 8,345.80
  4. Step 4: Simplify right side
    33,307.20x = 416,948,823.55
  5. Step 5: Solve for x
    x = 416,948,823.55/33,307.20
  6. Step 6: Final answer
    x = 12,518.28

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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.