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Finding the Fourth Proportional to 56,676.44, 84,936.90 and 35,862.68

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Solution

The fourth proportional to 56,676.44, 84,936.90 and 35,862.68 is: 53,744.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,676.44 : 84,936.90 = 35,862.68 : x
  2. Step 2: Convert to fraction form
    56,676.44/84,936.90 = 35,862.68/x
  3. Step 3: Cross multiply
    56,676.44x = 84,936.90 × 35,862.68
  4. Step 4: Simplify right side
    56,676.44x = 3,046,064,864.89
  5. Step 5: Solve for x
    x = 3,046,064,864.89/56,676.44
  6. Step 6: Final answer
    x = 53,744.82

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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.