Home / 45,103.36-62,260.08-40,379.44

Finding the Fourth Proportional to 45,103.36, 62,260.08 and 40,379.44

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Solution

The fourth proportional to 45,103.36, 62,260.08 and 40,379.44 is: 55,739.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,103.36 : 62,260.08 = 40,379.44 : x
  2. Step 2: Convert to fraction form
    45,103.36/62,260.08 = 40,379.44/x
  3. Step 3: Cross multiply
    45,103.36x = 62,260.08 × 40,379.44
  4. Step 4: Simplify right side
    45,103.36x = 2,514,027,164.76
  5. Step 5: Solve for x
    x = 2,514,027,164.76/45,103.36
  6. Step 6: Final answer
    x = 55,739.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.