Home / 30,529.66-42,131.73-17,100.85

Finding the Fourth Proportional to 30,529.66, 42,131.73 and 17,100.85

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Solution

The fourth proportional to 30,529.66, 42,131.73 and 17,100.85 is: 23,599.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.66 : 42,131.73 = 17,100.85 : x
  2. Step 2: Convert to fraction form
    30,529.66/42,131.73 = 17,100.85/x
  3. Step 3: Cross multiply
    30,529.66x = 42,131.73 × 17,100.85
  4. Step 4: Simplify right side
    30,529.66x = 720,488,394.97
  5. Step 5: Solve for x
    x = 720,488,394.97/30,529.66
  6. Step 6: Final answer
    x = 23,599.62

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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.