Home / 36,688.18-55,031.90-11,727.94

Finding the Fourth Proportional to 36,688.18, 55,031.90 and 11,727.94

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Solution

The fourth proportional to 36,688.18, 55,031.90 and 11,727.94 is: 17,591.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,688.18 : 55,031.90 = 11,727.94 : x
  2. Step 2: Convert to fraction form
    36,688.18/55,031.90 = 11,727.94/x
  3. Step 3: Cross multiply
    36,688.18x = 55,031.90 × 11,727.94
  4. Step 4: Simplify right side
    36,688.18x = 645,410,821.29
  5. Step 5: Solve for x
    x = 645,410,821.29/36,688.18
  6. Step 6: Final answer
    x = 17,591.79

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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.