Home / 38,120.56-57,178.10-11,824.62

Finding the Fourth Proportional to 38,120.56, 57,178.10 and 11,824.62

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Solution

The fourth proportional to 38,120.56, 57,178.10 and 11,824.62 is: 17,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,120.56 : 57,178.10 = 11,824.62 : x
  2. Step 2: Convert to fraction form
    38,120.56/57,178.10 = 11,824.62/x
  3. Step 3: Cross multiply
    38,120.56x = 57,178.10 × 11,824.62
  4. Step 4: Simplify right side
    38,120.56x = 676,109,304.82
  5. Step 5: Solve for x
    x = 676,109,304.82/38,120.56
  6. Step 6: Final answer
    x = 17,736.08

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1.5x scale

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.