Home / 53,739.15-80,616.01-18,674.25

Finding the Fourth Proportional to 53,739.15, 80,616.01 and 18,674.25

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Solution

The fourth proportional to 53,739.15, 80,616.01 and 18,674.25 is: 28,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,739.15 : 80,616.01 = 18,674.25 : x
  2. Step 2: Convert to fraction form
    53,739.15/80,616.01 = 18,674.25/x
  3. Step 3: Cross multiply
    53,739.15x = 80,616.01 × 18,674.25
  4. Step 4: Simplify right side
    53,739.15x = 1,505,443,121.66
  5. Step 5: Solve for x
    x = 1,505,443,121.66/53,739.15
  6. Step 6: Final answer
    x = 28,013.90

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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.