Home / 54,623.50-81,948.21-17,687.50

Finding the Fourth Proportional to 54,623.50, 81,948.21 and 17,687.50

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Solution

The fourth proportional to 54,623.50, 81,948.21 and 17,687.50 is: 26,535.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,623.50 : 81,948.21 = 17,687.50 : x
  2. Step 2: Convert to fraction form
    54,623.50/81,948.21 = 17,687.50/x
  3. Step 3: Cross multiply
    54,623.50x = 81,948.21 × 17,687.50
  4. Step 4: Simplify right side
    54,623.50x = 1,449,458,964.38
  5. Step 5: Solve for x
    x = 1,449,458,964.38/54,623.50
  6. Step 6: Final answer
    x = 26,535.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.