Home / 45,521.82-68,282.73-14,359.50

Finding the Fourth Proportional to 45,521.82, 68,282.73 and 14,359.50

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Solution

The fourth proportional to 45,521.82, 68,282.73 and 14,359.50 is: 21,539.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,521.82 : 68,282.73 = 14,359.50 : x
  2. Step 2: Convert to fraction form
    45,521.82/68,282.73 = 14,359.50/x
  3. Step 3: Cross multiply
    45,521.82x = 68,282.73 × 14,359.50
  4. Step 4: Simplify right side
    45,521.82x = 980,505,861.44
  5. Step 5: Solve for x
    x = 980,505,861.44/45,521.82
  6. Step 6: Final answer
    x = 21,539.25

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1.5x scale

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.