Home / 54,273.68-74,896.80-30,400.28

Finding the Fourth Proportional to 54,273.68, 74,896.80 and 30,400.28

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Solution

The fourth proportional to 54,273.68, 74,896.80 and 30,400.28 is: 41,951.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,273.68 : 74,896.80 = 30,400.28 : x
  2. Step 2: Convert to fraction form
    54,273.68/74,896.80 = 30,400.28/x
  3. Step 3: Cross multiply
    54,273.68x = 74,896.80 × 30,400.28
  4. Step 4: Simplify right side
    54,273.68x = 2,276,883,654.48
  5. Step 5: Solve for x
    x = 2,276,883,654.48/54,273.68
  6. Step 6: Final answer
    x = 41,951.89

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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.