Home / 33,581.55-46,338.88-19,431.75

Finding the Fourth Proportional to 33,581.55, 46,338.88 and 19,431.75

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Solution

The fourth proportional to 33,581.55, 46,338.88 and 19,431.75 is: 26,813.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,581.55 : 46,338.88 = 19,431.75 : x
  2. Step 2: Convert to fraction form
    33,581.55/46,338.88 = 19,431.75/x
  3. Step 3: Cross multiply
    33,581.55x = 46,338.88 × 19,431.75
  4. Step 4: Simplify right side
    33,581.55x = 900,445,531.44
  5. Step 5: Solve for x
    x = 900,445,531.44/33,581.55
  6. Step 6: Final answer
    x = 26,813.70

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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.