Home / 45,489.82-62,802.00-30,408.02

Finding the Fourth Proportional to 45,489.82, 62,802.00 and 30,408.02

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Solution

The fourth proportional to 45,489.82, 62,802.00 and 30,408.02 is: 41,980.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,489.82 : 62,802.00 = 30,408.02 : x
  2. Step 2: Convert to fraction form
    45,489.82/62,802.00 = 30,408.02/x
  3. Step 3: Cross multiply
    45,489.82x = 62,802.00 × 30,408.02
  4. Step 4: Simplify right side
    45,489.82x = 1,909,684,320.00
  5. Step 5: Solve for x
    x = 1,909,684,320.00/45,489.82
  6. Step 6: Final answer
    x = 41,980.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.