Home / 53,916.56-80,836.16-20,608.55

Finding the Fourth Proportional to 53,916.56, 80,836.16 and 20,608.55

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Solution

The fourth proportional to 53,916.56, 80,836.16 and 20,608.55 is: 30,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,916.56 : 80,836.16 = 20,608.55 : x
  2. Step 2: Convert to fraction form
    53,916.56/80,836.16 = 20,608.55/x
  3. Step 3: Cross multiply
    53,916.56x = 80,836.16 × 20,608.55
  4. Step 4: Simplify right side
    53,916.56x = 1,665,915,918.36
  5. Step 5: Solve for x
    x = 1,665,915,918.36/53,916.56
  6. Step 6: Final answer
    x = 30,898.04

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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.