Home / 39,514.74-54,550.17-30,541.98

Finding the Fourth Proportional to 39,514.74, 54,550.17 and 30,541.98

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Solution

The fourth proportional to 39,514.74, 54,550.17 and 30,541.98 is: 42,163.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,514.74 : 54,550.17 = 30,541.98 : x
  2. Step 2: Convert to fraction form
    39,514.74/54,550.17 = 30,541.98/x
  3. Step 3: Cross multiply
    39,514.74x = 54,550.17 × 30,541.98
  4. Step 4: Simplify right side
    39,514.74x = 1,666,070,201.14
  5. Step 5: Solve for x
    x = 1,666,070,201.14/39,514.74
  6. Step 6: Final answer
    x = 42,163.26

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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.