Home / 54,995.39-75,899.82-31,123.61

Finding the Fourth Proportional to 54,995.39, 75,899.82 and 31,123.61

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Solution

The fourth proportional to 54,995.39, 75,899.82 and 31,123.61 is: 42,954.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,995.39 : 75,899.82 = 31,123.61 : x
  2. Step 2: Convert to fraction form
    54,995.39/75,899.82 = 31,123.61/x
  3. Step 3: Cross multiply
    54,995.39x = 75,899.82 × 31,123.61
  4. Step 4: Simplify right side
    54,995.39x = 2,362,276,396.75
  5. Step 5: Solve for x
    x = 2,362,276,396.75/54,995.39
  6. Step 6: Final answer
    x = 42,954.08

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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.