Home / 33,518.98-46,258.67-20,774.66

Finding the Fourth Proportional to 33,518.98, 46,258.67 and 20,774.66

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Solution

The fourth proportional to 33,518.98, 46,258.67 and 20,774.66 is: 28,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,518.98 : 46,258.67 = 20,774.66 : x
  2. Step 2: Convert to fraction form
    33,518.98/46,258.67 = 20,774.66/x
  3. Step 3: Cross multiply
    33,518.98x = 46,258.67 × 20,774.66
  4. Step 4: Simplify right side
    33,518.98x = 961,008,037.43
  5. Step 5: Solve for x
    x = 961,008,037.43/33,518.98
  6. Step 6: Final answer
    x = 28,670.57

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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.