Home / 37,108.74-55,649.04-13,409.88

Finding the Fourth Proportional to 37,108.74, 55,649.04 and 13,409.88

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Solution

The fourth proportional to 37,108.74, 55,649.04 and 13,409.88 is: 20,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,108.74 : 55,649.04 = 13,409.88 : x
  2. Step 2: Convert to fraction form
    37,108.74/55,649.04 = 13,409.88/x
  3. Step 3: Cross multiply
    37,108.74x = 55,649.04 × 13,409.88
  4. Step 4: Simplify right side
    37,108.74x = 746,246,948.52
  5. Step 5: Solve for x
    x = 746,246,948.52/37,108.74
  6. Step 6: Final answer
    x = 20,109.74

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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.