Home / 33,180.16-45,747.12-21,223.84

Finding the Fourth Proportional to 33,180.16, 45,747.12 and 21,223.84

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Solution

The fourth proportional to 33,180.16, 45,747.12 and 21,223.84 is: 29,262.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,180.16 : 45,747.12 = 21,223.84 : x
  2. Step 2: Convert to fraction form
    33,180.16/45,747.12 = 21,223.84/x
  3. Step 3: Cross multiply
    33,180.16x = 45,747.12 × 21,223.84
  4. Step 4: Simplify right side
    33,180.16x = 970,929,555.34
  5. Step 5: Solve for x
    x = 970,929,555.34/33,180.16
  6. Step 6: Final answer
    x = 29,262.35

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1.5x scale

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.