Home / 33,051.55-49,560.31-13,324.81

Finding the Fourth Proportional to 33,051.55, 49,560.31 and 13,324.81

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Solution

The fourth proportional to 33,051.55, 49,560.31 and 13,324.81 is: 19,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,051.55 : 49,560.31 = 13,324.81 : x
  2. Step 2: Convert to fraction form
    33,051.55/49,560.31 = 13,324.81/x
  3. Step 3: Cross multiply
    33,051.55x = 49,560.31 × 13,324.81
  4. Step 4: Simplify right side
    33,051.55x = 660,381,714.29
  5. Step 5: Solve for x
    x = 660,381,714.29/33,051.55
  6. Step 6: Final answer
    x = 19,980.36

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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.