Home / 39,034.50-58,559.15-15,662.78

Finding the Fourth Proportional to 39,034.50, 58,559.15 and 15,662.78

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Solution

The fourth proportional to 39,034.50, 58,559.15 and 15,662.78 is: 23,497.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034.50 : 58,559.15 = 15,662.78 : x
  2. Step 2: Convert to fraction form
    39,034.50/58,559.15 = 15,662.78/x
  3. Step 3: Cross multiply
    39,034.50x = 58,559.15 × 15,662.78
  4. Step 4: Simplify right side
    39,034.50x = 917,199,083.44
  5. Step 5: Solve for x
    x = 917,199,083.44/39,034.50
  6. Step 6: Final answer
    x = 23,497.14

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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.