Home / 39,488.14-54,494.49-21,583.14

Finding the Fourth Proportional to 39,488.14, 54,494.49 and 21,583.14

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Solution

The fourth proportional to 39,488.14, 54,494.49 and 21,583.14 is: 29,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,488.14 : 54,494.49 = 21,583.14 : x
  2. Step 2: Convert to fraction form
    39,488.14/54,494.49 = 21,583.14/x
  3. Step 3: Cross multiply
    39,488.14x = 54,494.49 × 21,583.14
  4. Step 4: Simplify right side
    39,488.14x = 1,176,162,206.90
  5. Step 5: Solve for x
    x = 1,176,162,206.90/39,488.14
  6. Step 6: Final answer
    x = 29,785.20

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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.