Home / 38,046.45-57,039.57-19,309.26

Finding the Fourth Proportional to 38,046.45, 57,039.57 and 19,309.26

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Solution

The fourth proportional to 38,046.45, 57,039.57 and 19,309.26 is: 28,948.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,046.45 : 57,039.57 = 19,309.26 : x
  2. Step 2: Convert to fraction form
    38,046.45/57,039.57 = 19,309.26/x
  3. Step 3: Cross multiply
    38,046.45x = 57,039.57 × 19,309.26
  4. Step 4: Simplify right side
    38,046.45x = 1,101,391,887.42
  5. Step 5: Solve for x
    x = 1,101,391,887.42/38,046.45
  6. Step 6: Final answer
    x = 28,948.61

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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.