Home / 30,220.74-41,703.79-16,791.64

Finding the Fourth Proportional to 30,220.74, 41,703.79 and 16,791.64

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Solution

The fourth proportional to 30,220.74, 41,703.79 and 16,791.64 is: 23,172.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,220.74 : 41,703.79 = 16,791.64 : x
  2. Step 2: Convert to fraction form
    30,220.74/41,703.79 = 16,791.64/x
  3. Step 3: Cross multiply
    30,220.74x = 41,703.79 × 16,791.64
  4. Step 4: Simplify right side
    30,220.74x = 700,275,165.66
  5. Step 5: Solve for x
    x = 700,275,165.66/30,220.74
  6. Step 6: Final answer
    x = 23,172.01

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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.