Home / 50,923.20-76,384.80-15,866.40

Finding the Fourth Proportional to 50,923.20, 76,384.80 and 15,866.40

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Solution

The fourth proportional to 50,923.20, 76,384.80 and 15,866.40 is: 23,799.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,923.20 : 76,384.80 = 15,866.40 : x
  2. Step 2: Convert to fraction form
    50,923.20/76,384.80 = 15,866.40/x
  3. Step 3: Cross multiply
    50,923.20x = 76,384.80 × 15,866.40
  4. Step 4: Simplify right side
    50,923.20x = 1,211,951,790.72
  5. Step 5: Solve for x
    x = 1,211,951,790.72/50,923.20
  6. Step 6: Final answer
    x = 23,799.60

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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.