Home / 33,317.21-45,973.31-21,396.69

Finding the Fourth Proportional to 33,317.21, 45,973.31 and 21,396.69

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Solution

The fourth proportional to 33,317.21, 45,973.31 and 21,396.69 is: 29,524.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,317.21 : 45,973.31 = 21,396.69 : x
  2. Step 2: Convert to fraction form
    33,317.21/45,973.31 = 21,396.69/x
  3. Step 3: Cross multiply
    33,317.21x = 45,973.31 × 21,396.69
  4. Step 4: Simplify right side
    33,317.21x = 983,676,555.36
  5. Step 5: Solve for x
    x = 983,676,555.36/33,317.21
  6. Step 6: Final answer
    x = 29,524.58

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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.