Home / 54,271.02-81,418.20-16,830.33

Finding the Fourth Proportional to 54,271.02, 81,418.20 and 16,830.33

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Solution

The fourth proportional to 54,271.02, 81,418.20 and 16,830.33 is: 25,249.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,271.02 : 81,418.20 = 16,830.33 : x
  2. Step 2: Convert to fraction form
    54,271.02/81,418.20 = 16,830.33/x
  3. Step 3: Cross multiply
    54,271.02x = 81,418.20 × 16,830.33
  4. Step 4: Simplify right side
    54,271.02x = 1,370,295,174.01
  5. Step 5: Solve for x
    x = 1,370,295,174.01/54,271.02
  6. Step 6: Final answer
    x = 25,249.11

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1.5x scale

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.