Home / 36,649.26-54,981.18-11,688.51

Finding the Fourth Proportional to 36,649.26, 54,981.18 and 11,688.51

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Solution

The fourth proportional to 36,649.26, 54,981.18 and 11,688.51 is: 17,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,649.26 : 54,981.18 = 11,688.51 : x
  2. Step 2: Convert to fraction form
    36,649.26/54,981.18 = 11,688.51/x
  3. Step 3: Cross multiply
    36,649.26x = 54,981.18 × 11,688.51
  4. Step 4: Simplify right side
    36,649.26x = 642,648,072.24
  5. Step 5: Solve for x
    x = 642,648,072.24/36,649.26
  6. Step 6: Final answer
    x = 17,535.09

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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.