Home / 30,265.88-41,770.78-18,329.72

Finding the Fourth Proportional to 30,265.88, 41,770.78 and 18,329.72

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Solution

The fourth proportional to 30,265.88, 41,770.78 and 18,329.72 is: 25,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,265.88 : 41,770.78 = 18,329.72 : x
  2. Step 2: Convert to fraction form
    30,265.88/41,770.78 = 18,329.72/x
  3. Step 3: Cross multiply
    30,265.88x = 41,770.78 × 18,329.72
  4. Step 4: Simplify right side
    30,265.88x = 765,646,701.58
  5. Step 5: Solve for x
    x = 765,646,701.58/30,265.88
  6. Step 6: Final answer
    x = 25,297.35

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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.