Home / 50,946.18-76,424.13-19,783.86

Finding the Fourth Proportional to 50,946.18, 76,424.13 and 19,783.86

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Solution

The fourth proportional to 50,946.18, 76,424.13 and 19,783.86 is: 29,677.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,946.18 : 76,424.13 = 19,783.86 : x
  2. Step 2: Convert to fraction form
    50,946.18/76,424.13 = 19,783.86/x
  3. Step 3: Cross multiply
    50,946.18x = 76,424.13 × 19,783.86
  4. Step 4: Simplify right side
    50,946.18x = 1,511,964,288.54
  5. Step 5: Solve for x
    x = 1,511,964,288.54/50,946.18
  6. Step 6: Final answer
    x = 29,677.68

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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.