Home / 30,188.58-41,653.98-18,252.42

Finding the Fourth Proportional to 30,188.58, 41,653.98 and 18,252.42

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Solution

The fourth proportional to 30,188.58, 41,653.98 and 18,252.42 is: 25,184.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.58 : 41,653.98 = 18,252.42 : x
  2. Step 2: Convert to fraction form
    30,188.58/41,653.98 = 18,252.42/x
  3. Step 3: Cross multiply
    30,188.58x = 41,653.98 × 18,252.42
  4. Step 4: Simplify right side
    30,188.58x = 760,285,937.63
  5. Step 5: Solve for x
    x = 760,285,937.63/30,188.58
  6. Step 6: Final answer
    x = 25,184.55

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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.