Home / 38,346.20-57,441.43-19,359.12

Finding the Fourth Proportional to 38,346.20, 57,441.43 and 19,359.12

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Solution

The fourth proportional to 38,346.20, 57,441.43 and 19,359.12 is: 28,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.20 : 57,441.43 = 19,359.12 : x
  2. Step 2: Convert to fraction form
    38,346.20/57,441.43 = 19,359.12/x
  3. Step 3: Cross multiply
    38,346.20x = 57,441.43 × 19,359.12
  4. Step 4: Simplify right side
    38,346.20x = 1,112,015,536.34
  5. Step 5: Solve for x
    x = 1,112,015,536.34/38,346.20
  6. Step 6: Final answer
    x = 28,999.37

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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.