Home / 33,213-45,831.65-18,679.36

Finding the Fourth Proportional to 33,213, 45,831.65 and 18,679.36

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Solution

The fourth proportional to 33,213, 45,831.65 and 18,679.36 is: 25,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,213 : 45,831.65 = 18,679.36 : x
  2. Step 2: Convert to fraction form
    33,213/45,831.65 = 18,679.36/x
  3. Step 3: Cross multiply
    33,213x = 45,831.65 × 18,679.36
  4. Step 4: Simplify right side
    33,213x = 856,105,796.35
  5. Step 5: Solve for x
    x = 856,105,796.35/33,213
  6. Step 6: Final answer
    x = 25,776.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.