Home / 53,966.06-80,960.61-18,907.82

Finding the Fourth Proportional to 53,966.06, 80,960.61 and 18,907.82

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Solution

The fourth proportional to 53,966.06, 80,960.61 and 18,907.82 is: 28,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,966.06 : 80,960.61 = 18,907.82 : x
  2. Step 2: Convert to fraction form
    53,966.06/80,960.61 = 18,907.82/x
  3. Step 3: Cross multiply
    53,966.06x = 80,960.61 × 18,907.82
  4. Step 4: Simplify right side
    53,966.06x = 1,530,788,236.17
  5. Step 5: Solve for x
    x = 1,530,788,236.17/53,966.06
  6. Step 6: Final answer
    x = 28,365.76

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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.