Home / 55,606-76,736.28-30,456.04

Finding the Fourth Proportional to 55,606, 76,736.28 and 30,456.04

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Solution

The fourth proportional to 55,606, 76,736.28 and 30,456.04 is: 42,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,606 : 76,736.28 = 30,456.04 : x
  2. Step 2: Convert to fraction form
    55,606/76,736.28 = 30,456.04/x
  3. Step 3: Cross multiply
    55,606x = 76,736.28 × 30,456.04
  4. Step 4: Simplify right side
    55,606x = 2,337,083,213.13
  5. Step 5: Solve for x
    x = 2,337,083,213.13/55,606
  6. Step 6: Final answer
    x = 42,029.34

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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.