Home / 36,046.12-49,740.78-20,129.62

Finding the Fourth Proportional to 36,046.12, 49,740.78 and 20,129.62

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Solution

The fourth proportional to 36,046.12, 49,740.78 and 20,129.62 is: 27,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,046.12 : 49,740.78 = 20,129.62 : x
  2. Step 2: Convert to fraction form
    36,046.12/49,740.78 = 20,129.62/x
  3. Step 3: Cross multiply
    36,046.12x = 49,740.78 × 20,129.62
  4. Step 4: Simplify right side
    36,046.12x = 1,001,262,999.90
  5. Step 5: Solve for x
    x = 1,001,262,999.90/36,046.12
  6. Step 6: Final answer
    x = 27,777.28

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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.