Home / 39,143.70-58,718.72-11,063.98

Finding the Fourth Proportional to 39,143.70, 58,718.72 and 11,063.98

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Solution

The fourth proportional to 39,143.70, 58,718.72 and 11,063.98 is: 16,596.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,143.70 : 58,718.72 = 11,063.98 : x
  2. Step 2: Convert to fraction form
    39,143.70/58,718.72 = 11,063.98/x
  3. Step 3: Cross multiply
    39,143.70x = 58,718.72 × 11,063.98
  4. Step 4: Simplify right side
    39,143.70x = 649,662,743.71
  5. Step 5: Solve for x
    x = 649,662,743.71/39,143.70
  6. Step 6: Final answer
    x = 16,596.87

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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.