Home / 74,081.73-111,133.53-21,484.38

Finding the Fourth Proportional to 74,081.73, 111,133.53 and 21,484.38

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Solution

The fourth proportional to 74,081.73, 111,133.53 and 21,484.38 is: 32,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,081.73 : 111,133.53 = 21,484.38 : x
  2. Step 2: Convert to fraction form
    74,081.73/111,133.53 = 21,484.38/x
  3. Step 3: Cross multiply
    74,081.73x = 111,133.53 × 21,484.38
  4. Step 4: Simplify right side
    74,081.73x = 2,387,634,989.26
  5. Step 5: Solve for x
    x = 2,387,634,989.26/74,081.73
  6. Step 6: Final answer
    x = 32,229.74

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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.