Home / 55,949.96-77,208.53-30,456.36

Finding the Fourth Proportional to 55,949.96, 77,208.53 and 30,456.36

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Solution

The fourth proportional to 55,949.96, 77,208.53 and 30,456.36 is: 42,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.96 : 77,208.53 = 30,456.36 : x
  2. Step 2: Convert to fraction form
    55,949.96/77,208.53 = 30,456.36/x
  3. Step 3: Cross multiply
    55,949.96x = 77,208.53 × 30,456.36
  4. Step 4: Simplify right side
    55,949.96x = 2,351,490,632.47
  5. Step 5: Solve for x
    x = 2,351,490,632.47/55,949.96
  6. Step 6: Final answer
    x = 42,028.46

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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.