Home / 41,250.72-61,880.40-20,468.64

Finding the Fourth Proportional to 41,250.72, 61,880.40 and 20,468.64

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Solution

The fourth proportional to 41,250.72, 61,880.40 and 20,468.64 is: 30,705.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,250.72 : 61,880.40 = 20,468.64 : x
  2. Step 2: Convert to fraction form
    41,250.72/61,880.40 = 20,468.64/x
  3. Step 3: Cross multiply
    41,250.72x = 61,880.40 × 20,468.64
  4. Step 4: Simplify right side
    41,250.72x = 1,266,607,630.66
  5. Step 5: Solve for x
    x = 1,266,607,630.66/41,250.72
  6. Step 6: Final answer
    x = 30,705.10

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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.