Home / 30,645.68-42,290.06-17,033.66

Finding the Fourth Proportional to 30,645.68, 42,290.06 and 17,033.66

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Solution

The fourth proportional to 30,645.68, 42,290.06 and 17,033.66 is: 23,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.68 : 42,290.06 = 17,033.66 : x
  2. Step 2: Convert to fraction form
    30,645.68/42,290.06 = 17,033.66/x
  3. Step 3: Cross multiply
    30,645.68x = 42,290.06 × 17,033.66
  4. Step 4: Simplify right side
    30,645.68x = 720,354,651.73
  5. Step 5: Solve for x
    x = 720,354,651.73/30,645.68
  6. Step 6: Final answer
    x = 23,505.91

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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.