Home / 49,639.61-68,503.11-26,978.66

Finding the Fourth Proportional to 49,639.61, 68,503.11 and 26,978.66

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Solution

The fourth proportional to 49,639.61, 68,503.11 and 26,978.66 is: 37,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,639.61 : 68,503.11 = 26,978.66 : x
  2. Step 2: Convert to fraction form
    49,639.61/68,503.11 = 26,978.66/x
  3. Step 3: Cross multiply
    49,639.61x = 68,503.11 × 26,978.66
  4. Step 4: Simplify right side
    49,639.61x = 1,848,121,636.22
  5. Step 5: Solve for x
    x = 1,848,121,636.22/49,639.61
  6. Step 6: Final answer
    x = 37,230.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.