Home / 53,215.26-79,822.92-13,776.36

Finding the Fourth Proportional to 53,215.26, 79,822.92 and 13,776.36

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Solution

The fourth proportional to 53,215.26, 79,822.92 and 13,776.36 is: 20,664.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.26 : 79,822.92 = 13,776.36 : x
  2. Step 2: Convert to fraction form
    53,215.26/79,822.92 = 13,776.36/x
  3. Step 3: Cross multiply
    53,215.26x = 79,822.92 × 13,776.36
  4. Step 4: Simplify right side
    53,215.26x = 1,099,669,282.17
  5. Step 5: Solve for x
    x = 1,099,669,282.17/53,215.26
  6. Step 6: Final answer
    x = 20,664.55

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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.