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Finding the Fourth Proportional to 42,644.66, 58,845.64 and 41,211.52

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Solution

The fourth proportional to 42,644.66, 58,845.64 and 41,211.52 is: 56,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,644.66 : 58,845.64 = 41,211.52 : x
  2. Step 2: Convert to fraction form
    42,644.66/58,845.64 = 41,211.52/x
  3. Step 3: Cross multiply
    42,644.66x = 58,845.64 × 41,211.52
  4. Step 4: Simplify right side
    42,644.66x = 2,425,118,096.90
  5. Step 5: Solve for x
    x = 2,425,118,096.90/42,644.66
  6. Step 6: Final answer
    x = 56,868.04

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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.