Home / 30,425.32-41,987.82-16,996.12

Finding the Fourth Proportional to 30,425.32, 41,987.82 and 16,996.12

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Solution

The fourth proportional to 30,425.32, 41,987.82 and 16,996.12 is: 23,455.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.32 : 41,987.82 = 16,996.12 : x
  2. Step 2: Convert to fraction form
    30,425.32/41,987.82 = 16,996.12/x
  3. Step 3: Cross multiply
    30,425.32x = 41,987.82 × 16,996.12
  4. Step 4: Simplify right side
    30,425.32x = 713,630,027.26
  5. Step 5: Solve for x
    x = 713,630,027.26/30,425.32
  6. Step 6: Final answer
    x = 23,455.14

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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.