Home / 38,178.28-57,275.65-11,522.04

Finding the Fourth Proportional to 38,178.28, 57,275.65 and 11,522.04

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Solution

The fourth proportional to 38,178.28, 57,275.65 and 11,522.04 is: 17,285.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,178.28 : 57,275.65 = 11,522.04 : x
  2. Step 2: Convert to fraction form
    38,178.28/57,275.65 = 11,522.04/x
  3. Step 3: Cross multiply
    38,178.28x = 57,275.65 × 11,522.04
  4. Step 4: Simplify right side
    38,178.28x = 659,932,186.07
  5. Step 5: Solve for x
    x = 659,932,186.07/38,178.28
  6. Step 6: Final answer
    x = 17,285.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.