Home / 74,036.06-111,054.94-20,724.86

Finding the Fourth Proportional to 74,036.06, 111,054.94 and 20,724.86

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Solution

The fourth proportional to 74,036.06, 111,054.94 and 20,724.86 is: 31,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,036.06 : 111,054.94 = 20,724.86 : x
  2. Step 2: Convert to fraction form
    74,036.06/111,054.94 = 20,724.86/x
  3. Step 3: Cross multiply
    74,036.06x = 111,054.94 × 20,724.86
  4. Step 4: Simplify right side
    74,036.06x = 2,301,598,083.81
  5. Step 5: Solve for x
    x = 2,301,598,083.81/74,036.06
  6. Step 6: Final answer
    x = 31,087.53

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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.