Home / 53,940.78-80,877.36-16,488.40

Finding the Fourth Proportional to 53,940.78, 80,877.36 and 16,488.40

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Solution

The fourth proportional to 53,940.78, 80,877.36 and 16,488.40 is: 24,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,940.78 : 80,877.36 = 16,488.40 : x
  2. Step 2: Convert to fraction form
    53,940.78/80,877.36 = 16,488.40/x
  3. Step 3: Cross multiply
    53,940.78x = 80,877.36 × 16,488.40
  4. Step 4: Simplify right side
    53,940.78x = 1,333,538,262.62
  5. Step 5: Solve for x
    x = 1,333,538,262.62/53,940.78
  6. Step 6: Final answer
    x = 24,722.27

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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.