Home / 48,636.09-72,975.60-20,575.53

Finding the Fourth Proportional to 48,636.09, 72,975.60 and 20,575.53

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Solution

The fourth proportional to 48,636.09, 72,975.60 and 20,575.53 is: 30,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,636.09 : 72,975.60 = 20,575.53 : x
  2. Step 2: Convert to fraction form
    48,636.09/72,975.60 = 20,575.53/x
  3. Step 3: Cross multiply
    48,636.09x = 72,975.60 × 20,575.53
  4. Step 4: Simplify right side
    48,636.09x = 1,501,511,647.07
  5. Step 5: Solve for x
    x = 1,501,511,647.07/48,636.09
  6. Step 6: Final answer
    x = 30,872.38

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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.