Home / 54,757.06-75,564.64-30,883.66

Finding the Fourth Proportional to 54,757.06, 75,564.64 and 30,883.66

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Solution

The fourth proportional to 54,757.06, 75,564.64 and 30,883.66 is: 42,619.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,757.06 : 75,564.64 = 30,883.66 : x
  2. Step 2: Convert to fraction form
    54,757.06/75,564.64 = 30,883.66/x
  3. Step 3: Cross multiply
    54,757.06x = 75,564.64 × 30,883.66
  4. Step 4: Simplify right side
    54,757.06x = 2,333,712,649.78
  5. Step 5: Solve for x
    x = 2,333,712,649.78/54,757.06
  6. Step 6: Final answer
    x = 42,619.39

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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.