Home / 54,631.77-75,393.26-30,759.31

Finding the Fourth Proportional to 54,631.77, 75,393.26 and 30,759.31

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Solution

The fourth proportional to 54,631.77, 75,393.26 and 30,759.31 is: 42,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,631.77 : 75,393.26 = 30,759.31 : x
  2. Step 2: Convert to fraction form
    54,631.77/75,393.26 = 30,759.31/x
  3. Step 3: Cross multiply
    54,631.77x = 75,393.26 × 30,759.31
  4. Step 4: Simplify right side
    54,631.77x = 2,319,044,656.25
  5. Step 5: Solve for x
    x = 2,319,044,656.25/54,631.77
  6. Step 6: Final answer
    x = 42,448.65

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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.