Home / 49,022.78-73,555.13-20,948.99

Finding the Fourth Proportional to 49,022.78, 73,555.13 and 20,948.99

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Solution

The fourth proportional to 49,022.78, 73,555.13 and 20,948.99 is: 31,432.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,022.78 : 73,555.13 = 20,948.99 : x
  2. Step 2: Convert to fraction form
    49,022.78/73,555.13 = 20,948.99/x
  3. Step 3: Cross multiply
    49,022.78x = 73,555.13 × 20,948.99
  4. Step 4: Simplify right side
    49,022.78x = 1,540,905,682.82
  5. Step 5: Solve for x
    x = 1,540,905,682.82/49,022.78
  6. Step 6: Final answer
    x = 31,432.44

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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.