Home / 33,987.84-50,973.12-13,200

Finding the Fourth Proportional to 33,987.84, 50,973.12 and 13,200

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Solution

The fourth proportional to 33,987.84, 50,973.12 and 13,200 is: 19,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,987.84 : 50,973.12 = 13,200 : x
  2. Step 2: Convert to fraction form
    33,987.84/50,973.12 = 13,200/x
  3. Step 3: Cross multiply
    33,987.84x = 50,973.12 × 13,200
  4. Step 4: Simplify right side
    33,987.84x = 672,845,184
  5. Step 5: Solve for x
    x = 672,845,184/33,987.84
  6. Step 6: Final answer
    x = 19,796.64

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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.