Home / 36,009.16-49,695.47-19,879.68

Finding the Fourth Proportional to 36,009.16, 49,695.47 and 19,879.68

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Solution

The fourth proportional to 36,009.16, 49,695.47 and 19,879.68 is: 27,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,009.16 : 49,695.47 = 19,879.68 : x
  2. Step 2: Convert to fraction form
    36,009.16/49,695.47 = 19,879.68/x
  3. Step 3: Cross multiply
    36,009.16x = 49,695.47 × 19,879.68
  4. Step 4: Simplify right side
    36,009.16x = 987,930,034.84
  5. Step 5: Solve for x
    x = 987,930,034.84/36,009.16
  6. Step 6: Final answer
    x = 27,435.52

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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.