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Finding the Fourth Proportional to 54,327, 74,975.58 and 31,975.32

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Solution

The fourth proportional to 54,327, 74,975.58 and 31,975.32 is: 44,128.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,327 : 74,975.58 = 31,975.32 : x
  2. Step 2: Convert to fraction form
    54,327/74,975.58 = 31,975.32/x
  3. Step 3: Cross multiply
    54,327x = 74,975.58 × 31,975.32
  4. Step 4: Simplify right side
    54,327x = 2,397,368,162.69
  5. Step 5: Solve for x
    x = 2,397,368,162.69/54,327
  6. Step 6: Final answer
    x = 44,128.48

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.