Home / 36,231.66-49,999.68-20,316.06

Finding the Fourth Proportional to 36,231.66, 49,999.68 and 20,316.06

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Solution

The fourth proportional to 36,231.66, 49,999.68 and 20,316.06 is: 28,036.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.66 : 49,999.68 = 20,316.06 : x
  2. Step 2: Convert to fraction form
    36,231.66/49,999.68 = 20,316.06/x
  3. Step 3: Cross multiply
    36,231.66x = 49,999.68 × 20,316.06
  4. Step 4: Simplify right side
    36,231.66x = 1,015,796,498.86
  5. Step 5: Solve for x
    x = 1,015,796,498.86/36,231.66
  6. Step 6: Final answer
    x = 28,036.16

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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.