Home / 39,291.52-58,911.36-15,890.56

Finding the Fourth Proportional to 39,291.52, 58,911.36 and 15,890.56

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Solution

The fourth proportional to 39,291.52, 58,911.36 and 15,890.56 is: 23,825.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,291.52 : 58,911.36 = 15,890.56 : x
  2. Step 2: Convert to fraction form
    39,291.52/58,911.36 = 15,890.56/x
  3. Step 3: Cross multiply
    39,291.52x = 58,911.36 × 15,890.56
  4. Step 4: Simplify right side
    39,291.52x = 936,134,500.76
  5. Step 5: Solve for x
    x = 936,134,500.76/39,291.52
  6. Step 6: Final answer
    x = 23,825.36

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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.