Home / 38,575.09-57,816.40-19,863.96

Finding the Fourth Proportional to 38,575.09, 57,816.40 and 19,863.96

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Solution

The fourth proportional to 38,575.09, 57,816.40 and 19,863.96 is: 29,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,575.09 : 57,816.40 = 19,863.96 : x
  2. Step 2: Convert to fraction form
    38,575.09/57,816.40 = 19,863.96/x
  3. Step 3: Cross multiply
    38,575.09x = 57,816.40 × 19,863.96
  4. Step 4: Simplify right side
    38,575.09x = 1,148,462,656.94
  5. Step 5: Solve for x
    x = 1,148,462,656.94/38,575.09
  6. Step 6: Final answer
    x = 29,772.13

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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.