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Finding the Fourth Proportional to 33,009, 45,552.60 and 19,587

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Solution

The fourth proportional to 33,009, 45,552.60 and 19,587 is: 27,030.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,009 : 45,552.60 = 19,587 : x
  2. Step 2: Convert to fraction form
    33,009/45,552.60 = 19,587/x
  3. Step 3: Cross multiply
    33,009x = 45,552.60 × 19,587
  4. Step 4: Simplify right side
    33,009x = 892,238,776.20
  5. Step 5: Solve for x
    x = 892,238,776.20/33,009
  6. Step 6: Final answer
    x = 27,030.17

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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.