Home / 48,682.71-73,031.60-20,603.01

Finding the Fourth Proportional to 48,682.71, 73,031.60 and 20,603.01

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Solution

The fourth proportional to 48,682.71, 73,031.60 and 20,603.01 is: 30,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,682.71 : 73,031.60 = 20,603.01 : x
  2. Step 2: Convert to fraction form
    48,682.71/73,031.60 = 20,603.01/x
  3. Step 3: Cross multiply
    48,682.71x = 73,031.60 × 20,603.01
  4. Step 4: Simplify right side
    48,682.71x = 1,504,670,682.10
  5. Step 5: Solve for x
    x = 1,504,670,682.10/48,682.71
  6. Step 6: Final answer
    x = 30,907.70

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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.