Home / 54,824.40-82,187.28-19,739.52

Finding the Fourth Proportional to 54,824.40, 82,187.28 and 19,739.52

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Solution

The fourth proportional to 54,824.40, 82,187.28 and 19,739.52 is: 29,591.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,824.40 : 82,187.28 = 19,739.52 : x
  2. Step 2: Convert to fraction form
    54,824.40/82,187.28 = 19,739.52/x
  3. Step 3: Cross multiply
    54,824.40x = 82,187.28 × 19,739.52
  4. Step 4: Simplify right side
    54,824.40x = 1,622,337,457.31
  5. Step 5: Solve for x
    x = 1,622,337,457.31/54,824.40
  6. Step 6: Final answer
    x = 29,591.52

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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.