Home / 38,206.89-57,321.27-19,471.59

Finding the Fourth Proportional to 38,206.89, 57,321.27 and 19,471.59

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Solution

The fourth proportional to 38,206.89, 57,321.27 and 19,471.59 is: 29,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,206.89 : 57,321.27 = 19,471.59 : x
  2. Step 2: Convert to fraction form
    38,206.89/57,321.27 = 19,471.59/x
  3. Step 3: Cross multiply
    38,206.89x = 57,321.27 × 19,471.59
  4. Step 4: Simplify right side
    38,206.89x = 1,116,136,267.72
  5. Step 5: Solve for x
    x = 1,116,136,267.72/38,206.89
  6. Step 6: Final answer
    x = 29,212.96

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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.