Home / 37,409.97-51,624.41-20,642.61

Finding the Fourth Proportional to 37,409.97, 51,624.41 and 20,642.61

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Solution

The fourth proportional to 37,409.97, 51,624.41 and 20,642.61 is: 28,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,409.97 : 51,624.41 = 20,642.61 : x
  2. Step 2: Convert to fraction form
    37,409.97/51,624.41 = 20,642.61/x
  3. Step 3: Cross multiply
    37,409.97x = 51,624.41 × 20,642.61
  4. Step 4: Simplify right side
    37,409.97x = 1,065,662,458.90
  5. Step 5: Solve for x
    x = 1,065,662,458.90/37,409.97
  6. Step 6: Final answer
    x = 28,486.05

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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.