Home / 54,485.97-75,186.54-30,607.98

Finding the Fourth Proportional to 54,485.97, 75,186.54 and 30,607.98

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Solution

The fourth proportional to 54,485.97, 75,186.54 and 30,607.98 is: 42,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485.97 : 75,186.54 = 30,607.98 : x
  2. Step 2: Convert to fraction form
    54,485.97/75,186.54 = 30,607.98/x
  3. Step 3: Cross multiply
    54,485.97x = 75,186.54 × 30,607.98
  4. Step 4: Simplify right side
    54,485.97x = 2,301,308,112.59
  5. Step 5: Solve for x
    x = 2,301,308,112.59/54,485.97
  6. Step 6: Final answer
    x = 42,236.71

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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.