Home / 31,800.74-47,610.39-25,236.50

Finding the Fourth Proportional to 31,800.74, 47,610.39 and 25,236.50

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Solution

The fourth proportional to 31,800.74, 47,610.39 and 25,236.50 is: 37,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,800.74 : 47,610.39 = 25,236.50 : x
  2. Step 2: Convert to fraction form
    31,800.74/47,610.39 = 25,236.50/x
  3. Step 3: Cross multiply
    31,800.74x = 47,610.39 × 25,236.50
  4. Step 4: Simplify right side
    31,800.74x = 1,201,519,607.24
  5. Step 5: Solve for x
    x = 1,201,519,607.24/31,800.74
  6. Step 6: Final answer
    x = 37,782.76

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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.