Home / 37,474.08-51,712.20-20,706

Finding the Fourth Proportional to 37,474.08, 51,712.20 and 20,706

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Solution

The fourth proportional to 37,474.08, 51,712.20 and 20,706 is: 28,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,474.08 : 51,712.20 = 20,706 : x
  2. Step 2: Convert to fraction form
    37,474.08/51,712.20 = 20,706/x
  3. Step 3: Cross multiply
    37,474.08x = 51,712.20 × 20,706
  4. Step 4: Simplify right side
    37,474.08x = 1,070,752,813.20
  5. Step 5: Solve for x
    x = 1,070,752,813.20/37,474.08
  6. Step 6: Final answer
    x = 28,573.16

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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.