Home / 53,629.02-80,427.87-20,325.06

Finding the Fourth Proportional to 53,629.02, 80,427.87 and 20,325.06

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Solution

The fourth proportional to 53,629.02, 80,427.87 and 20,325.06 is: 30,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,629.02 : 80,427.87 = 20,325.06 : x
  2. Step 2: Convert to fraction form
    53,629.02/80,427.87 = 20,325.06/x
  3. Step 3: Cross multiply
    53,629.02x = 80,427.87 × 20,325.06
  4. Step 4: Simplify right side
    53,629.02x = 1,634,701,283.42
  5. Step 5: Solve for x
    x = 1,634,701,283.42/53,629.02
  6. Step 6: Final answer
    x = 30,481.65

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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.