Home / 48,561.26-72,851.00-18,977.36

Finding the Fourth Proportional to 48,561.26, 72,851.00 and 18,977.36

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Solution

The fourth proportional to 48,561.26, 72,851.00 and 18,977.36 is: 28,469.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,561.26 : 72,851.00 = 18,977.36 : x
  2. Step 2: Convert to fraction form
    48,561.26/72,851.00 = 18,977.36/x
  3. Step 3: Cross multiply
    48,561.26x = 72,851.00 × 18,977.36
  4. Step 4: Simplify right side
    48,561.26x = 1,382,519,194.22
  5. Step 5: Solve for x
    x = 1,382,519,194.22/48,561.26
  6. Step 6: Final answer
    x = 28,469.59

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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.