Home / 36,081.40-49,792.52-20,165.51

Finding the Fourth Proportional to 36,081.40, 49,792.52 and 20,165.51

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Solution

The fourth proportional to 36,081.40, 49,792.52 and 20,165.51 is: 27,828.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.40 : 49,792.52 = 20,165.51 : x
  2. Step 2: Convert to fraction form
    36,081.40/49,792.52 = 20,165.51/x
  3. Step 3: Cross multiply
    36,081.40x = 49,792.52 × 20,165.51
  4. Step 4: Simplify right side
    36,081.40x = 1,004,091,454.80
  5. Step 5: Solve for x
    x = 1,004,091,454.80/36,081.40
  6. Step 6: Final answer
    x = 27,828.51

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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.