Home / 49,485-68,273.10-27,971.40

Finding the Fourth Proportional to 49,485, 68,273.10 and 27,971.40

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Solution

The fourth proportional to 49,485, 68,273.10 and 27,971.40 is: 38,591.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485 : 68,273.10 = 27,971.40 : x
  2. Step 2: Convert to fraction form
    49,485/68,273.10 = 27,971.40/x
  3. Step 3: Cross multiply
    49,485x = 68,273.10 × 27,971.40
  4. Step 4: Simplify right side
    49,485x = 1,909,694,189.34
  5. Step 5: Solve for x
    x = 1,909,694,189.34/49,485
  6. Step 6: Final answer
    x = 38,591.37

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1.5x scale

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.