Home / 38,188.64-52,700.66-21,194.04

Finding the Fourth Proportional to 38,188.64, 52,700.66 and 21,194.04

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Solution

The fourth proportional to 38,188.64, 52,700.66 and 21,194.04 is: 29,247.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,188.64 : 52,700.66 = 21,194.04 : x
  2. Step 2: Convert to fraction form
    38,188.64/52,700.66 = 21,194.04/x
  3. Step 3: Cross multiply
    38,188.64x = 52,700.66 × 21,194.04
  4. Step 4: Simplify right side
    38,188.64x = 1,116,939,896.07
  5. Step 5: Solve for x
    x = 1,116,939,896.07/38,188.64
  6. Step 6: Final answer
    x = 29,247.96

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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.