Home / 54,306.36-74,928.56-31,330.62

Finding the Fourth Proportional to 54,306.36, 74,928.56 and 31,330.62

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Solution

The fourth proportional to 54,306.36, 74,928.56 and 31,330.62 is: 43,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.36 : 74,928.56 = 31,330.62 : x
  2. Step 2: Convert to fraction form
    54,306.36/74,928.56 = 31,330.62/x
  3. Step 3: Cross multiply
    54,306.36x = 74,928.56 × 31,330.62
  4. Step 4: Simplify right side
    54,306.36x = 2,347,558,240.51
  5. Step 5: Solve for x
    x = 2,347,558,240.51/54,306.36
  6. Step 6: Final answer
    x = 43,228.05

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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.