Home / 38,784.31-58,173.21-15,404.47

Finding the Fourth Proportional to 38,784.31, 58,173.21 and 15,404.47

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Solution

The fourth proportional to 38,784.31, 58,173.21 and 15,404.47 is: 23,105.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,784.31 : 58,173.21 = 15,404.47 : x
  2. Step 2: Convert to fraction form
    38,784.31/58,173.21 = 15,404.47/x
  3. Step 3: Cross multiply
    38,784.31x = 58,173.21 × 15,404.47
  4. Step 4: Simplify right side
    38,784.31x = 896,127,138.87
  5. Step 5: Solve for x
    x = 896,127,138.87/38,784.31
  6. Step 6: Final answer
    x = 23,105.41

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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.