Home / 45,758.34-68,621.42-13,727.86

Finding the Fourth Proportional to 45,758.34, 68,621.42 and 13,727.86

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Solution

The fourth proportional to 45,758.34, 68,621.42 and 13,727.86 is: 20,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.34 : 68,621.42 = 13,727.86 : x
  2. Step 2: Convert to fraction form
    45,758.34/68,621.42 = 13,727.86/x
  3. Step 3: Cross multiply
    45,758.34x = 68,621.42 × 13,727.86
  4. Step 4: Simplify right side
    45,758.34x = 942,025,070.92
  5. Step 5: Solve for x
    x = 942,025,070.92/45,758.34
  6. Step 6: Final answer
    x = 20,586.96

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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.