Home / 55,020.90-82,530.60-17,580.48

Finding the Fourth Proportional to 55,020.90, 82,530.60 and 17,580.48

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Solution

The fourth proportional to 55,020.90, 82,530.60 and 17,580.48 is: 26,370.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.90 : 82,530.60 = 17,580.48 : x
  2. Step 2: Convert to fraction form
    55,020.90/82,530.60 = 17,580.48/x
  3. Step 3: Cross multiply
    55,020.90x = 82,530.60 × 17,580.48
  4. Step 4: Simplify right side
    55,020.90x = 1,450,927,562.69
  5. Step 5: Solve for x
    x = 1,450,927,562.69/55,020.90
  6. Step 6: Final answer
    x = 26,370.48

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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.