Home / 33,630.12-50,448.79-12,580.25

Finding the Fourth Proportional to 33,630.12, 50,448.79 and 12,580.25

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Solution

The fourth proportional to 33,630.12, 50,448.79 and 12,580.25 is: 18,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630.12 : 50,448.79 = 12,580.25 : x
  2. Step 2: Convert to fraction form
    33,630.12/50,448.79 = 12,580.25/x
  3. Step 3: Cross multiply
    33,630.12x = 50,448.79 × 12,580.25
  4. Step 4: Simplify right side
    33,630.12x = 634,658,153.88
  5. Step 5: Solve for x
    x = 634,658,153.88/33,630.12
  6. Step 6: Final answer
    x = 18,871.72

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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.