Home / 33,220.08-49,830.84-12,432.24

Finding the Fourth Proportional to 33,220.08, 49,830.84 and 12,432.24

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Solution

The fourth proportional to 33,220.08, 49,830.84 and 12,432.24 is: 18,648.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,220.08 : 49,830.84 = 12,432.24 : x
  2. Step 2: Convert to fraction form
    33,220.08/49,830.84 = 12,432.24/x
  3. Step 3: Cross multiply
    33,220.08x = 49,830.84 × 12,432.24
  4. Step 4: Simplify right side
    33,220.08x = 619,508,962.28
  5. Step 5: Solve for x
    x = 619,508,962.28/33,220.08
  6. Step 6: Final answer
    x = 18,648.63

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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.