Home / 35,866.40-53,809.20-31,997.60

Finding the Fourth Proportional to 35,866.40, 53,809.20 and 31,997.60

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Solution

The fourth proportional to 35,866.40, 53,809.20 and 31,997.60 is: 48,004.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,866.40 : 53,809.20 = 31,997.60 : x
  2. Step 2: Convert to fraction form
    35,866.40/53,809.20 = 31,997.60/x
  3. Step 3: Cross multiply
    35,866.40x = 53,809.20 × 31,997.60
  4. Step 4: Simplify right side
    35,866.40x = 1,721,765,257.92
  5. Step 5: Solve for x
    x = 1,721,765,257.92/35,866.40
  6. Step 6: Final answer
    x = 48,004.96

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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.