Home / 33,396.60-50,114.32-12,621.72

Finding the Fourth Proportional to 33,396.60, 50,114.32 and 12,621.72

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Solution

The fourth proportional to 33,396.60, 50,114.32 and 12,621.72 is: 18,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,396.60 : 50,114.32 = 12,621.72 : x
  2. Step 2: Convert to fraction form
    33,396.60/50,114.32 = 12,621.72/x
  3. Step 3: Cross multiply
    33,396.60x = 50,114.32 × 12,621.72
  4. Step 4: Simplify right side
    33,396.60x = 632,528,915.03
  5. Step 5: Solve for x
    x = 632,528,915.03/33,396.60
  6. Step 6: Final answer
    x = 18,939.92

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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.