Home / 36,078.36-49,786.29-20,159.70

Finding the Fourth Proportional to 36,078.36, 49,786.29 and 20,159.70

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Solution

The fourth proportional to 36,078.36, 49,786.29 and 20,159.70 is: 27,819.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,078.36 : 49,786.29 = 20,159.70 : x
  2. Step 2: Convert to fraction form
    36,078.36/49,786.29 = 20,159.70/x
  3. Step 3: Cross multiply
    36,078.36x = 49,786.29 × 20,159.70
  4. Step 4: Simplify right side
    36,078.36x = 1,003,676,670.51
  5. Step 5: Solve for x
    x = 1,003,676,670.51/36,078.36
  6. Step 6: Final answer
    x = 27,819.35

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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.