Home / 54,938.23-75,821.74-30,740.56

Finding the Fourth Proportional to 54,938.23, 75,821.74 and 30,740.56

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Solution

The fourth proportional to 54,938.23, 75,821.74 and 30,740.56 is: 42,425.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,938.23 : 75,821.74 = 30,740.56 : x
  2. Step 2: Convert to fraction form
    54,938.23/75,821.74 = 30,740.56/x
  3. Step 3: Cross multiply
    54,938.23x = 75,821.74 × 30,740.56
  4. Step 4: Simplify right side
    54,938.23x = 2,330,802,481.37
  5. Step 5: Solve for x
    x = 2,330,802,481.37/54,938.23
  6. Step 6: Final answer
    x = 42,425.88

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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.