Home / 54,677.97-75,455.82-31,712.31

Finding the Fourth Proportional to 54,677.97, 75,455.82 and 31,712.31

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Solution

The fourth proportional to 54,677.97, 75,455.82 and 31,712.31 is: 43,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.97 : 75,455.82 = 31,712.31 : x
  2. Step 2: Convert to fraction form
    54,677.97/75,455.82 = 31,712.31/x
  3. Step 3: Cross multiply
    54,677.97x = 75,455.82 × 31,712.31
  4. Step 4: Simplify right side
    54,677.97x = 2,392,878,355.14
  5. Step 5: Solve for x
    x = 2,392,878,355.14/54,677.97
  6. Step 6: Final answer
    x = 43,763.12

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1.5x scale

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.