Home / 36,742.68-55,122.70-10,447.66

Finding the Fourth Proportional to 36,742.68, 55,122.70 and 10,447.66

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Solution

The fourth proportional to 36,742.68, 55,122.70 and 10,447.66 is: 15,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,742.68 : 55,122.70 = 10,447.66 : x
  2. Step 2: Convert to fraction form
    36,742.68/55,122.70 = 10,447.66/x
  3. Step 3: Cross multiply
    36,742.68x = 55,122.70 × 10,447.66
  4. Step 4: Simplify right side
    36,742.68x = 575,903,227.88
  5. Step 5: Solve for x
    x = 575,903,227.88/36,742.68
  6. Step 6: Final answer
    x = 15,673.96

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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.