Home / 45,474.40-68,211.60-14,309.65

Finding the Fourth Proportional to 45,474.40, 68,211.60 and 14,309.65

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Solution

The fourth proportional to 45,474.40, 68,211.60 and 14,309.65 is: 21,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,474.40 : 68,211.60 = 14,309.65 : x
  2. Step 2: Convert to fraction form
    45,474.40/68,211.60 = 14,309.65/x
  3. Step 3: Cross multiply
    45,474.40x = 68,211.60 × 14,309.65
  4. Step 4: Simplify right side
    45,474.40x = 976,084,121.94
  5. Step 5: Solve for x
    x = 976,084,121.94/45,474.40
  6. Step 6: Final answer
    x = 21,464.48

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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.