Home / 39,143.76-58,717.62-11,065.83

Finding the Fourth Proportional to 39,143.76, 58,717.62 and 11,065.83

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Solution

The fourth proportional to 39,143.76, 58,717.62 and 11,065.83 is: 16,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.76 : 58,717.62 = 11,065.83 : x
  2. Step 2: Convert to fraction form
    39,143.76/58,717.62 = 11,065.83/x
  3. Step 3: Cross multiply
    39,143.76x = 58,717.62 × 11,065.83
  4. Step 4: Simplify right side
    39,143.76x = 649,759,421.12
  5. Step 5: Solve for x
    x = 649,759,421.12/39,143.76
  6. Step 6: Final answer
    x = 16,599.31

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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.