Home / 30,194.96-45,275-11,705.36

Finding the Fourth Proportional to 30,194.96, 45,275 and 11,705.36

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Solution

The fourth proportional to 30,194.96, 45,275 and 11,705.36 is: 17,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,194.96 : 45,275 = 11,705.36 : x
  2. Step 2: Convert to fraction form
    30,194.96/45,275 = 11,705.36/x
  3. Step 3: Cross multiply
    30,194.96x = 45,275 × 11,705.36
  4. Step 4: Simplify right side
    30,194.96x = 529,960,174
  5. Step 5: Solve for x
    x = 529,960,174/30,194.96
  6. Step 6: Final answer
    x = 17,551.28

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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.