Home / 36,619.62-54,916.44-15,831.78

Finding the Fourth Proportional to 36,619.62, 54,916.44 and 15,831.78

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Solution

The fourth proportional to 36,619.62, 54,916.44 and 15,831.78 is: 23,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,619.62 : 54,916.44 = 15,831.78 : x
  2. Step 2: Convert to fraction form
    36,619.62/54,916.44 = 15,831.78/x
  3. Step 3: Cross multiply
    36,619.62x = 54,916.44 × 15,831.78
  4. Step 4: Simplify right side
    36,619.62x = 869,424,996.46
  5. Step 5: Solve for x
    x = 869,424,996.46/36,619.62
  6. Step 6: Final answer
    x = 23,742.05

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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.