Home / 43,477.20-65,237.40-17,182.80

Finding the Fourth Proportional to 43,477.20, 65,237.40 and 17,182.80

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Solution

The fourth proportional to 43,477.20, 65,237.40 and 17,182.80 is: 25,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,477.20 : 65,237.40 = 17,182.80 : x
  2. Step 2: Convert to fraction form
    43,477.20/65,237.40 = 17,182.80/x
  3. Step 3: Cross multiply
    43,477.20x = 65,237.40 × 17,182.80
  4. Step 4: Simplify right side
    43,477.20x = 1,120,961,196.72
  5. Step 5: Solve for x
    x = 1,120,961,196.72/43,477.20
  6. Step 6: Final answer
    x = 25,782.74

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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.