Home / 38,189.12-57,276.24-19,208.70

Finding the Fourth Proportional to 38,189.12, 57,276.24 and 19,208.70

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Solution

The fourth proportional to 38,189.12, 57,276.24 and 19,208.70 is: 28,809.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,189.12 : 57,276.24 = 19,208.70 : x
  2. Step 2: Convert to fraction form
    38,189.12/57,276.24 = 19,208.70/x
  3. Step 3: Cross multiply
    38,189.12x = 57,276.24 × 19,208.70
  4. Step 4: Simplify right side
    38,189.12x = 1,100,202,111.29
  5. Step 5: Solve for x
    x = 1,100,202,111.29/38,189.12
  6. Step 6: Final answer
    x = 28,809.31

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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.