Home / 55,203.24-82,779.48-17,756.40

Finding the Fourth Proportional to 55,203.24, 82,779.48 and 17,756.40

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Solution

The fourth proportional to 55,203.24, 82,779.48 and 17,756.40 is: 26,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,203.24 : 82,779.48 = 17,756.40 : x
  2. Step 2: Convert to fraction form
    55,203.24/82,779.48 = 17,756.40/x
  3. Step 3: Cross multiply
    55,203.24x = 82,779.48 × 17,756.40
  4. Step 4: Simplify right side
    55,203.24x = 1,469,865,558.67
  5. Step 5: Solve for x
    x = 1,469,865,558.67/55,203.24
  6. Step 6: Final answer
    x = 26,626.44

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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.