Home / 45,720.76-68,586.54-19,410.88

Finding the Fourth Proportional to 45,720.76, 68,586.54 and 19,410.88

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Solution

The fourth proportional to 45,720.76, 68,586.54 and 19,410.88 is: 29,118.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720.76 : 68,586.54 = 19,410.88 : x
  2. Step 2: Convert to fraction form
    45,720.76/68,586.54 = 19,410.88/x
  3. Step 3: Cross multiply
    45,720.76x = 68,586.54 × 19,410.88
  4. Step 4: Simplify right side
    45,720.76x = 1,331,325,097.56
  5. Step 5: Solve for x
    x = 1,331,325,097.56/45,720.76
  6. Step 6: Final answer
    x = 29,118.61

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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.