Home / 53,456.54-80,161.11-28,491.95

Finding the Fourth Proportional to 53,456.54, 80,161.11 and 28,491.95

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Solution

The fourth proportional to 53,456.54, 80,161.11 and 28,491.95 is: 42,725.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,456.54 : 80,161.11 = 28,491.95 : x
  2. Step 2: Convert to fraction form
    53,456.54/80,161.11 = 28,491.95/x
  3. Step 3: Cross multiply
    53,456.54x = 80,161.11 × 28,491.95
  4. Step 4: Simplify right side
    53,456.54x = 2,283,946,338.06
  5. Step 5: Solve for x
    x = 2,283,946,338.06/53,456.54
  6. Step 6: Final answer
    x = 42,725.29

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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.