Home / 37,661.61-51,972.57-21,745.72

Finding the Fourth Proportional to 37,661.61, 51,972.57 and 21,745.72

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Solution

The fourth proportional to 37,661.61, 51,972.57 and 21,745.72 is: 30,008.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.61 : 51,972.57 = 21,745.72 : x
  2. Step 2: Convert to fraction form
    37,661.61/51,972.57 = 21,745.72/x
  3. Step 3: Cross multiply
    37,661.61x = 51,972.57 × 21,745.72
  4. Step 4: Simplify right side
    37,661.61x = 1,130,180,954.90
  5. Step 5: Solve for x
    x = 1,130,180,954.90/37,661.61
  6. Step 6: Final answer
    x = 30,008.83

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1.5x scale

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.