Home / 46,257.20-69,365.28-21,291.20

Finding the Fourth Proportional to 46,257.20, 69,365.28 and 21,291.20

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Solution

The fourth proportional to 46,257.20, 69,365.28 and 21,291.20 is: 31,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,257.20 : 69,365.28 = 21,291.20 : x
  2. Step 2: Convert to fraction form
    46,257.20/69,365.28 = 21,291.20/x
  3. Step 3: Cross multiply
    46,257.20x = 69,365.28 × 21,291.20
  4. Step 4: Simplify right side
    46,257.20x = 1,476,870,049.54
  5. Step 5: Solve for x
    x = 1,476,870,049.54/46,257.20
  6. Step 6: Final answer
    x = 31,927.36

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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.