Home / 38,409.81-57,650.40-19,703.22

Finding the Fourth Proportional to 38,409.81, 57,650.40 and 19,703.22

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Solution

The fourth proportional to 38,409.81, 57,650.40 and 19,703.22 is: 29,573.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,409.81 : 57,650.40 = 19,703.22 : x
  2. Step 2: Convert to fraction form
    38,409.81/57,650.40 = 19,703.22/x
  3. Step 3: Cross multiply
    38,409.81x = 57,650.40 × 19,703.22
  4. Step 4: Simplify right side
    38,409.81x = 1,135,898,514.29
  5. Step 5: Solve for x
    x = 1,135,898,514.29/38,409.81
  6. Step 6: Final answer
    x = 29,573.14

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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.