Home / 53,046.36-79,582.50-17,986.32

Finding the Fourth Proportional to 53,046.36, 79,582.50 and 17,986.32

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Solution

The fourth proportional to 53,046.36, 79,582.50 and 17,986.32 is: 26,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,046.36 : 79,582.50 = 17,986.32 : x
  2. Step 2: Convert to fraction form
    53,046.36/79,582.50 = 17,986.32/x
  3. Step 3: Cross multiply
    53,046.36x = 79,582.50 × 17,986.32
  4. Step 4: Simplify right side
    53,046.36x = 1,431,396,311.40
  5. Step 5: Solve for x
    x = 1,431,396,311.40/53,046.36
  6. Step 6: Final answer
    x = 26,983.87

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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.