Home / 30,634.62-42,273.75-17,205.58

Finding the Fourth Proportional to 30,634.62, 42,273.75 and 17,205.58

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Solution

The fourth proportional to 30,634.62, 42,273.75 and 17,205.58 is: 23,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.62 : 42,273.75 = 17,205.58 : x
  2. Step 2: Convert to fraction form
    30,634.62/42,273.75 = 17,205.58/x
  3. Step 3: Cross multiply
    30,634.62x = 42,273.75 × 17,205.58
  4. Step 4: Simplify right side
    30,634.62x = 727,344,387.53
  5. Step 5: Solve for x
    x = 727,344,387.53/30,634.62
  6. Step 6: Final answer
    x = 23,742.56

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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.