Home / 38,869.68-58,310.01-19,148.43

Finding the Fourth Proportional to 38,869.68, 58,310.01 and 19,148.43

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Solution

The fourth proportional to 38,869.68, 58,310.01 and 19,148.43 is: 28,725.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,869.68 : 58,310.01 = 19,148.43 : x
  2. Step 2: Convert to fraction form
    38,869.68/58,310.01 = 19,148.43/x
  3. Step 3: Cross multiply
    38,869.68x = 58,310.01 × 19,148.43
  4. Step 4: Simplify right side
    38,869.68x = 1,116,545,144.78
  5. Step 5: Solve for x
    x = 1,116,545,144.78/38,869.68
  6. Step 6: Final answer
    x = 28,725.35

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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.