Home / 49,189.36-73,788.36-21,110.80

Finding the Fourth Proportional to 49,189.36, 73,788.36 and 21,110.80

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Solution

The fourth proportional to 49,189.36, 73,788.36 and 21,110.80 is: 31,668.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,189.36 : 73,788.36 = 21,110.80 : x
  2. Step 2: Convert to fraction form
    49,189.36/73,788.36 = 21,110.80/x
  3. Step 3: Cross multiply
    49,189.36x = 73,788.36 × 21,110.80
  4. Step 4: Simplify right side
    49,189.36x = 1,557,731,310.29
  5. Step 5: Solve for x
    x = 1,557,731,310.29/49,189.36
  6. Step 6: Final answer
    x = 31,668.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.