Home / 58,629.39-87,935.58-19,188.06

Finding the Fourth Proportional to 58,629.39, 87,935.58 and 19,188.06

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Solution

The fourth proportional to 58,629.39, 87,935.58 and 19,188.06 is: 28,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,629.39 : 87,935.58 = 19,188.06 : x
  2. Step 2: Convert to fraction form
    58,629.39/87,935.58 = 19,188.06/x
  3. Step 3: Cross multiply
    58,629.39x = 87,935.58 × 19,188.06
  4. Step 4: Simplify right side
    58,629.39x = 1,687,313,185.17
  5. Step 5: Solve for x
    x = 1,687,313,185.17/58,629.39
  6. Step 6: Final answer
    x = 28,779.31

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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.