Home / 42,621.78-63,951.09-22,877.25

Finding the Fourth Proportional to 42,621.78, 63,951.09 and 22,877.25

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Solution

The fourth proportional to 42,621.78, 63,951.09 and 22,877.25 is: 34,325.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,621.78 : 63,951.09 = 22,877.25 : x
  2. Step 2: Convert to fraction form
    42,621.78/63,951.09 = 22,877.25/x
  3. Step 3: Cross multiply
    42,621.78x = 63,951.09 × 22,877.25
  4. Step 4: Simplify right side
    42,621.78x = 1,463,025,073.70
  5. Step 5: Solve for x
    x = 1,463,025,073.70/42,621.78
  6. Step 6: Final answer
    x = 34,325.76

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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.