Home / 31,800.81-43,882.90-17,652.54

Finding the Fourth Proportional to 31,800.81, 43,882.90 and 17,652.54

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Solution

The fourth proportional to 31,800.81, 43,882.90 and 17,652.54 is: 24,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.81 : 43,882.90 = 17,652.54 : x
  2. Step 2: Convert to fraction form
    31,800.81/43,882.90 = 17,652.54/x
  3. Step 3: Cross multiply
    31,800.81x = 43,882.90 × 17,652.54
  4. Step 4: Simplify right side
    31,800.81x = 774,644,647.57
  5. Step 5: Solve for x
    x = 774,644,647.57/31,800.81
  6. Step 6: Final answer
    x = 24,359.27

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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.