Home / 37,718.40-56,585.82-11,425.20

Finding the Fourth Proportional to 37,718.40, 56,585.82 and 11,425.20

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Solution

The fourth proportional to 37,718.40, 56,585.82 and 11,425.20 is: 17,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,718.40 : 56,585.82 = 11,425.20 : x
  2. Step 2: Convert to fraction form
    37,718.40/56,585.82 = 11,425.20/x
  3. Step 3: Cross multiply
    37,718.40x = 56,585.82 × 11,425.20
  4. Step 4: Simplify right side
    37,718.40x = 646,504,310.66
  5. Step 5: Solve for x
    x = 646,504,310.66/37,718.40
  6. Step 6: Final answer
    x = 17,140.29

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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.