Home / 55,930.31-83,908.44-18,488.11

Finding the Fourth Proportional to 55,930.31, 83,908.44 and 18,488.11

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Solution

The fourth proportional to 55,930.31, 83,908.44 and 18,488.11 is: 27,736.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,930.31 : 83,908.44 = 18,488.11 : x
  2. Step 2: Convert to fraction form
    55,930.31/83,908.44 = 18,488.11/x
  3. Step 3: Cross multiply
    55,930.31x = 83,908.44 × 18,488.11
  4. Step 4: Simplify right side
    55,930.31x = 1,551,308,468.65
  5. Step 5: Solve for x
    x = 1,551,308,468.65/55,930.31
  6. Step 6: Final answer
    x = 27,736.45

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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.