Home / 54,740.22-82,036-31,036.56

Finding the Fourth Proportional to 54,740.22, 82,036 and 31,036.56

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Solution

The fourth proportional to 54,740.22, 82,036 and 31,036.56 is: 46,512.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,740.22 : 82,036 = 31,036.56 : x
  2. Step 2: Convert to fraction form
    54,740.22/82,036 = 31,036.56/x
  3. Step 3: Cross multiply
    54,740.22x = 82,036 × 31,036.56
  4. Step 4: Simplify right side
    54,740.22x = 2,546,115,236.16
  5. Step 5: Solve for x
    x = 2,546,115,236.16/54,740.22
  6. Step 6: Final answer
    x = 46,512.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.