Home / 55,345.85-83,080.24-28,684.70

Finding the Fourth Proportional to 55,345.85, 83,080.24 and 28,684.70

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Solution

The fourth proportional to 55,345.85, 83,080.24 and 28,684.70 is: 43,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345.85 : 83,080.24 = 28,684.70 : x
  2. Step 2: Convert to fraction form
    55,345.85/83,080.24 = 28,684.70/x
  3. Step 3: Cross multiply
    55,345.85x = 83,080.24 × 28,684.70
  4. Step 4: Simplify right side
    55,345.85x = 2,383,131,764.65
  5. Step 5: Solve for x
    x = 2,383,131,764.65/55,345.85
  6. Step 6: Final answer
    x = 43,058.91

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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.