Home / 63,031.77-94,558.90-20,914.38

Finding the Fourth Proportional to 63,031.77, 94,558.90 and 20,914.38

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Solution

The fourth proportional to 63,031.77, 94,558.90 and 20,914.38 is: 31,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,031.77 : 94,558.90 = 20,914.38 : x
  2. Step 2: Convert to fraction form
    63,031.77/94,558.90 = 20,914.38/x
  3. Step 3: Cross multiply
    63,031.77x = 94,558.90 × 20,914.38
  4. Step 4: Simplify right side
    63,031.77x = 1,977,640,766.98
  5. Step 5: Solve for x
    x = 1,977,640,766.98/63,031.77
  6. Step 6: Final answer
    x = 31,375.30

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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.