Home / 54,390.49-81,585.73-16,953.58

Finding the Fourth Proportional to 54,390.49, 81,585.73 and 16,953.58

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Solution

The fourth proportional to 54,390.49, 81,585.73 and 16,953.58 is: 25,430.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.49 : 81,585.73 = 16,953.58 : x
  2. Step 2: Convert to fraction form
    54,390.49/81,585.73 = 16,953.58/x
  3. Step 3: Cross multiply
    54,390.49x = 81,585.73 × 16,953.58
  4. Step 4: Simplify right side
    54,390.49x = 1,383,170,094.13
  5. Step 5: Solve for x
    x = 1,383,170,094.13/54,390.49
  6. Step 6: Final answer
    x = 25,430.37

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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.