Home / 33,319.40-45,981.24-19,896.80

Finding the Fourth Proportional to 33,319.40, 45,981.24 and 19,896.80

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Solution

The fourth proportional to 33,319.40, 45,981.24 and 19,896.80 is: 27,457.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,319.40 : 45,981.24 = 19,896.80 : x
  2. Step 2: Convert to fraction form
    33,319.40/45,981.24 = 19,896.80/x
  3. Step 3: Cross multiply
    33,319.40x = 45,981.24 × 19,896.80
  4. Step 4: Simplify right side
    33,319.40x = 914,879,536.03
  5. Step 5: Solve for x
    x = 914,879,536.03/33,319.40
  6. Step 6: Final answer
    x = 27,457.86

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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.