Home / 54,047.75-74,579.82-31,383.95

Finding the Fourth Proportional to 54,047.75, 74,579.82 and 31,383.95

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Solution

The fourth proportional to 54,047.75, 74,579.82 and 31,383.95 is: 43,306.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,047.75 : 74,579.82 = 31,383.95 : x
  2. Step 2: Convert to fraction form
    54,047.75/74,579.82 = 31,383.95/x
  3. Step 3: Cross multiply
    54,047.75x = 74,579.82 × 31,383.95
  4. Step 4: Simplify right side
    54,047.75x = 2,340,609,341.89
  5. Step 5: Solve for x
    x = 2,340,609,341.89/54,047.75
  6. Step 6: Final answer
    x = 43,306.32

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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.