Home / 30,496.88-45,711.30-13,831.94

Finding the Fourth Proportional to 30,496.88, 45,711.30 and 13,831.94

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Solution

The fourth proportional to 30,496.88, 45,711.30 and 13,831.94 is: 20,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,496.88 : 45,711.30 = 13,831.94 : x
  2. Step 2: Convert to fraction form
    30,496.88/45,711.30 = 13,831.94/x
  3. Step 3: Cross multiply
    30,496.88x = 45,711.30 × 13,831.94
  4. Step 4: Simplify right side
    30,496.88x = 632,275,958.92
  5. Step 5: Solve for x
    x = 632,275,958.92/30,496.88
  6. Step 6: Final answer
    x = 20,732.48

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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.