Home / 38,584.50-57,876.61-12,291.36

Finding the Fourth Proportional to 38,584.50, 57,876.61 and 12,291.36

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Solution

The fourth proportional to 38,584.50, 57,876.61 and 12,291.36 is: 18,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.50 : 57,876.61 = 12,291.36 : x
  2. Step 2: Convert to fraction form
    38,584.50/57,876.61 = 12,291.36/x
  3. Step 3: Cross multiply
    38,584.50x = 57,876.61 × 12,291.36
  4. Step 4: Simplify right side
    38,584.50x = 711,382,249.09
  5. Step 5: Solve for x
    x = 711,382,249.09/38,584.50
  6. Step 6: Final answer
    x = 18,437.00

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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.