Home / 39,143.12-58,718.52-11,063.39

Finding the Fourth Proportional to 39,143.12, 58,718.52 and 11,063.39

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Solution

The fourth proportional to 39,143.12, 58,718.52 and 11,063.39 is: 16,596.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.12 : 58,718.52 = 11,063.39 : x
  2. Step 2: Convert to fraction form
    39,143.12/58,718.52 = 11,063.39/x
  3. Step 3: Cross multiply
    39,143.12x = 58,718.52 × 11,063.39
  4. Step 4: Simplify right side
    39,143.12x = 649,625,758.54
  5. Step 5: Solve for x
    x = 649,625,758.54/39,143.12
  6. Step 6: Final answer
    x = 16,596.17

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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.