Home / 36,107.45-49,833.65-21,009.05

Finding the Fourth Proportional to 36,107.45, 49,833.65 and 21,009.05

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Solution

The fourth proportional to 36,107.45, 49,833.65 and 21,009.05 is: 28,995.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,107.45 : 49,833.65 = 21,009.05 : x
  2. Step 2: Convert to fraction form
    36,107.45/49,833.65 = 21,009.05/x
  3. Step 3: Cross multiply
    36,107.45x = 49,833.65 × 21,009.05
  4. Step 4: Simplify right side
    36,107.45x = 1,046,957,447.89
  5. Step 5: Solve for x
    x = 1,046,957,447.89/36,107.45
  6. Step 6: Final answer
    x = 28,995.61

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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.