Home / 33,920.68-46,805.70-19,779.88

Finding the Fourth Proportional to 33,920.68, 46,805.70 and 19,779.88

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Solution

The fourth proportional to 33,920.68, 46,805.70 and 19,779.88 is: 27,293.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.68 : 46,805.70 = 19,779.88 : x
  2. Step 2: Convert to fraction form
    33,920.68/46,805.70 = 19,779.88/x
  3. Step 3: Cross multiply
    33,920.68x = 46,805.70 × 19,779.88
  4. Step 4: Simplify right side
    33,920.68x = 925,811,129.32
  5. Step 5: Solve for x
    x = 925,811,129.32/33,920.68
  6. Step 6: Final answer
    x = 27,293.41

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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.