Home / 49,106.31-67,768.66-27,887.55

Finding the Fourth Proportional to 49,106.31, 67,768.66 and 27,887.55

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Solution

The fourth proportional to 49,106.31, 67,768.66 and 27,887.55 is: 38,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,106.31 : 67,768.66 = 27,887.55 : x
  2. Step 2: Convert to fraction form
    49,106.31/67,768.66 = 27,887.55/x
  3. Step 3: Cross multiply
    49,106.31x = 67,768.66 × 27,887.55
  4. Step 4: Simplify right side
    49,106.31x = 1,889,901,894.18
  5. Step 5: Solve for x
    x = 1,889,901,894.18/49,106.31
  6. Step 6: Final answer
    x = 38,485.93

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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.