Home / 33,440.64-50,158.40-12,370.78

Finding the Fourth Proportional to 33,440.64, 50,158.40 and 12,370.78

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Solution

The fourth proportional to 33,440.64, 50,158.40 and 12,370.78 is: 18,555.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,440.64 : 50,158.40 = 12,370.78 : x
  2. Step 2: Convert to fraction form
    33,440.64/50,158.40 = 12,370.78/x
  3. Step 3: Cross multiply
    33,440.64x = 50,158.40 × 12,370.78
  4. Step 4: Simplify right side
    33,440.64x = 620,498,280.76
  5. Step 5: Solve for x
    x = 620,498,280.76/33,440.64
  6. Step 6: Final answer
    x = 18,555.22

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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.