Home / 54,605.40-81,908.13-15,162.51

Finding the Fourth Proportional to 54,605.40, 81,908.13 and 15,162.51

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Solution

The fourth proportional to 54,605.40, 81,908.13 and 15,162.51 is: 22,743.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605.40 : 81,908.13 = 15,162.51 : x
  2. Step 2: Convert to fraction form
    54,605.40/81,908.13 = 15,162.51/x
  3. Step 3: Cross multiply
    54,605.40x = 81,908.13 × 15,162.51
  4. Step 4: Simplify right side
    54,605.40x = 1,241,932,840.21
  5. Step 5: Solve for x
    x = 1,241,932,840.21/54,605.40
  6. Step 6: Final answer
    x = 22,743.77

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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.