Home / 36,231.32-49,999.30-21,122.84

Finding the Fourth Proportional to 36,231.32, 49,999.30 and 21,122.84

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Solution

The fourth proportional to 36,231.32, 49,999.30 and 21,122.84 is: 29,149.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,231.32 : 49,999.30 = 21,122.84 : x
  2. Step 2: Convert to fraction form
    36,231.32/49,999.30 = 21,122.84/x
  3. Step 3: Cross multiply
    36,231.32x = 49,999.30 × 21,122.84
  4. Step 4: Simplify right side
    36,231.32x = 1,056,127,214.01
  5. Step 5: Solve for x
    x = 1,056,127,214.01/36,231.32
  6. Step 6: Final answer
    x = 29,149.56

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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.