Home / 40,170.40-60,265.20-16,783.84

Finding the Fourth Proportional to 40,170.40, 60,265.20 and 16,783.84

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Solution

The fourth proportional to 40,170.40, 60,265.20 and 16,783.84 is: 25,179.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170.40 : 60,265.20 = 16,783.84 : x
  2. Step 2: Convert to fraction form
    40,170.40/60,265.20 = 16,783.84/x
  3. Step 3: Cross multiply
    40,170.40x = 60,265.20 × 16,783.84
  4. Step 4: Simplify right side
    40,170.40x = 1,011,481,474.37
  5. Step 5: Solve for x
    x = 1,011,481,474.37/40,170.40
  6. Step 6: Final answer
    x = 25,179.77

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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.