Home / 54,921.06-75,791.16-31,047.84

Finding the Fourth Proportional to 54,921.06, 75,791.16 and 31,047.84

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Solution

The fourth proportional to 54,921.06, 75,791.16 and 31,047.84 is: 42,846.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,921.06 : 75,791.16 = 31,047.84 : x
  2. Step 2: Convert to fraction form
    54,921.06/75,791.16 = 31,047.84/x
  3. Step 3: Cross multiply
    54,921.06x = 75,791.16 × 31,047.84
  4. Step 4: Simplify right side
    54,921.06x = 2,353,151,809.09
  5. Step 5: Solve for x
    x = 2,353,151,809.09/54,921.06
  6. Step 6: Final answer
    x = 42,846.07

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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.