Home / 53,893.89-74,375.86-30,020.57

Finding the Fourth Proportional to 53,893.89, 74,375.86 and 30,020.57

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Solution

The fourth proportional to 53,893.89, 74,375.86 and 30,020.57 is: 41,429.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,893.89 : 74,375.86 = 30,020.57 : x
  2. Step 2: Convert to fraction form
    53,893.89/74,375.86 = 30,020.57/x
  3. Step 3: Cross multiply
    53,893.89x = 74,375.86 × 30,020.57
  4. Step 4: Simplify right side
    53,893.89x = 2,232,805,711.44
  5. Step 5: Solve for x
    x = 2,232,805,711.44/53,893.89
  6. Step 6: Final answer
    x = 41,429.66

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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.