Home / 33,318.34-45,956.77-21,396.15

Finding the Fourth Proportional to 33,318.34, 45,956.77 and 21,396.15

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Solution

The fourth proportional to 33,318.34, 45,956.77 and 21,396.15 is: 29,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,318.34 : 45,956.77 = 21,396.15 : x
  2. Step 2: Convert to fraction form
    33,318.34/45,956.77 = 21,396.15/x
  3. Step 3: Cross multiply
    33,318.34x = 45,956.77 × 21,396.15
  4. Step 4: Simplify right side
    33,318.34x = 983,297,890.95
  5. Step 5: Solve for x
    x = 983,297,890.95/33,318.34
  6. Step 6: Final answer
    x = 29,512.21

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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.