Home / 46,421.44-69,623.94-21,115.03

Finding the Fourth Proportional to 46,421.44, 69,623.94 and 21,115.03

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Solution

The fourth proportional to 46,421.44, 69,623.94 and 21,115.03 is: 31,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,421.44 : 69,623.94 = 21,115.03 : x
  2. Step 2: Convert to fraction form
    46,421.44/69,623.94 = 21,115.03/x
  3. Step 3: Cross multiply
    46,421.44x = 69,623.94 × 21,115.03
  4. Step 4: Simplify right side
    46,421.44x = 1,470,111,581.82
  5. Step 5: Solve for x
    x = 1,470,111,581.82/46,421.44
  6. Step 6: Final answer
    x = 31,668.81

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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.