Home / 38,219.06-57,302.42-19,462.80

Finding the Fourth Proportional to 38,219.06, 57,302.42 and 19,462.80

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Solution

The fourth proportional to 38,219.06, 57,302.42 and 19,462.80 is: 29,180.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,219.06 : 57,302.42 = 19,462.80 : x
  2. Step 2: Convert to fraction form
    38,219.06/57,302.42 = 19,462.80/x
  3. Step 3: Cross multiply
    38,219.06x = 57,302.42 × 19,462.80
  4. Step 4: Simplify right side
    38,219.06x = 1,115,265,539.98
  5. Step 5: Solve for x
    x = 1,115,265,539.98/38,219.06
  6. Step 6: Final answer
    x = 29,180.87

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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.