Home / 33,176.10-49,764.15-12,399.60

Finding the Fourth Proportional to 33,176.10, 49,764.15 and 12,399.60

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Solution

The fourth proportional to 33,176.10, 49,764.15 and 12,399.60 is: 18,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,176.10 : 49,764.15 = 12,399.60 : x
  2. Step 2: Convert to fraction form
    33,176.10/49,764.15 = 12,399.60/x
  3. Step 3: Cross multiply
    33,176.10x = 49,764.15 × 12,399.60
  4. Step 4: Simplify right side
    33,176.10x = 617,055,554.34
  5. Step 5: Solve for x
    x = 617,055,554.34/33,176.10
  6. Step 6: Final answer
    x = 18,599.40

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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.