Home / 34,800.71-48,022.31-20,461.12

Finding the Fourth Proportional to 34,800.71, 48,022.31 and 20,461.12

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Solution

The fourth proportional to 34,800.71, 48,022.31 and 20,461.12 is: 28,234.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,800.71 : 48,022.31 = 20,461.12 : x
  2. Step 2: Convert to fraction form
    34,800.71/48,022.31 = 20,461.12/x
  3. Step 3: Cross multiply
    34,800.71x = 48,022.31 × 20,461.12
  4. Step 4: Simplify right side
    34,800.71x = 982,590,178.68
  5. Step 5: Solve for x
    x = 982,590,178.68/34,800.71
  6. Step 6: Final answer
    x = 28,234.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.