Home / 33,290.36-49,921.68-13,555.52

Finding the Fourth Proportional to 33,290.36, 49,921.68 and 13,555.52

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Solution

The fourth proportional to 33,290.36, 49,921.68 and 13,555.52 is: 20,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,290.36 : 49,921.68 = 13,555.52 : x
  2. Step 2: Convert to fraction form
    33,290.36/49,921.68 = 13,555.52/x
  3. Step 3: Cross multiply
    33,290.36x = 49,921.68 × 13,555.52
  4. Step 4: Simplify right side
    33,290.36x = 676,714,331.67
  5. Step 5: Solve for x
    x = 676,714,331.67/33,290.36
  6. Step 6: Final answer
    x = 20,327.64

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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.