Home / 36,081.08-49,792.45-20,166.56

Finding the Fourth Proportional to 36,081.08, 49,792.45 and 20,166.56

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Solution

The fourth proportional to 36,081.08, 49,792.45 and 20,166.56 is: 27,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.08 : 49,792.45 = 20,166.56 : x
  2. Step 2: Convert to fraction form
    36,081.08/49,792.45 = 20,166.56/x
  3. Step 3: Cross multiply
    36,081.08x = 49,792.45 × 20,166.56
  4. Step 4: Simplify right side
    36,081.08x = 1,004,142,430.47
  5. Step 5: Solve for x
    x = 1,004,142,430.47/36,081.08
  6. Step 6: Final answer
    x = 27,830.17

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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.