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Finding the Fourth Proportional to 54,022.76, 81,042.78 and 22,858.28

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Solution

The fourth proportional to 54,022.76, 81,042.78 and 22,858.28 is: 34,291.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022.76 : 81,042.78 = 22,858.28 : x
  2. Step 2: Convert to fraction form
    54,022.76/81,042.78 = 22,858.28/x
  3. Step 3: Cross multiply
    54,022.76x = 81,042.78 × 22,858.28
  4. Step 4: Simplify right side
    54,022.76x = 1,852,498,557.22
  5. Step 5: Solve for x
    x = 1,852,498,557.22/54,022.76
  6. Step 6: Final answer
    x = 34,291.08

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1.5x scale

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.