Home / 45,462.48-68,200.20-19,179.60

Finding the Fourth Proportional to 45,462.48, 68,200.20 and 19,179.60

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Solution

The fourth proportional to 45,462.48, 68,200.20 and 19,179.60 is: 28,772.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,462.48 : 68,200.20 = 19,179.60 : x
  2. Step 2: Convert to fraction form
    45,462.48/68,200.20 = 19,179.60/x
  3. Step 3: Cross multiply
    45,462.48x = 68,200.20 × 19,179.60
  4. Step 4: Simplify right side
    45,462.48x = 1,308,052,555.92
  5. Step 5: Solve for x
    x = 1,308,052,555.92/45,462.48
  6. Step 6: Final answer
    x = 28,772.13

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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.