Home / 45,232.60-67,829.70-21,866.20

Finding the Fourth Proportional to 45,232.60, 67,829.70 and 21,866.20

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Solution

The fourth proportional to 45,232.60, 67,829.70 and 21,866.20 is: 32,790.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,232.60 : 67,829.70 = 21,866.20 : x
  2. Step 2: Convert to fraction form
    45,232.60/67,829.70 = 21,866.20/x
  3. Step 3: Cross multiply
    45,232.60x = 67,829.70 × 21,866.20
  4. Step 4: Simplify right side
    45,232.60x = 1,483,177,786.14
  5. Step 5: Solve for x
    x = 1,483,177,786.14/45,232.60
  6. Step 6: Final answer
    x = 32,790.02

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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.