Home / 33,320.20-49,980.30-8,696.20

Finding the Fourth Proportional to 33,320.20, 49,980.30 and 8,696.20

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Solution

The fourth proportional to 33,320.20, 49,980.30 and 8,696.20 is: 13,044.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.20 : 49,980.30 = 8,696.20 : x
  2. Step 2: Convert to fraction form
    33,320.20/49,980.30 = 8,696.20/x
  3. Step 3: Cross multiply
    33,320.20x = 49,980.30 × 8,696.20
  4. Step 4: Simplify right side
    33,320.20x = 434,638,684.86
  5. Step 5: Solve for x
    x = 434,638,684.86/33,320.20
  6. Step 6: Final answer
    x = 13,044.30

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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.