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Finding the Fourth Proportional to 52,648.66, 72,654.73 and 29,676.39

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Solution

The fourth proportional to 52,648.66, 72,654.73 and 29,676.39 is: 40,953.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,648.66 : 72,654.73 = 29,676.39 : x
  2. Step 2: Convert to fraction form
    52,648.66/72,654.73 = 29,676.39/x
  3. Step 3: Cross multiply
    52,648.66x = 72,654.73 × 29,676.39
  4. Step 4: Simplify right side
    52,648.66x = 2,156,130,102.82
  5. Step 5: Solve for x
    x = 2,156,130,102.82/52,648.66
  6. Step 6: Final answer
    x = 40,953.18

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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.