Home / 30,218.72-41,701.80-16,791.24

Finding the Fourth Proportional to 30,218.72, 41,701.80 and 16,791.24

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Solution

The fourth proportional to 30,218.72, 41,701.80 and 16,791.24 is: 23,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.72 : 41,701.80 = 16,791.24 : x
  2. Step 2: Convert to fraction form
    30,218.72/41,701.80 = 16,791.24/x
  3. Step 3: Cross multiply
    30,218.72x = 41,701.80 × 16,791.24
  4. Step 4: Simplify right side
    30,218.72x = 700,224,932.23
  5. Step 5: Solve for x
    x = 700,224,932.23/30,218.72
  6. Step 6: Final answer
    x = 23,171.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.