Home / 55,456.31-76,529.75-30,305.81

Finding the Fourth Proportional to 55,456.31, 76,529.75 and 30,305.81

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Solution

The fourth proportional to 55,456.31, 76,529.75 and 30,305.81 is: 41,822.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.31 : 76,529.75 = 30,305.81 : x
  2. Step 2: Convert to fraction form
    55,456.31/76,529.75 = 30,305.81/x
  3. Step 3: Cross multiply
    55,456.31x = 76,529.75 × 30,305.81
  4. Step 4: Simplify right side
    55,456.31x = 2,319,296,102.64
  5. Step 5: Solve for x
    x = 2,319,296,102.64/55,456.31
  6. Step 6: Final answer
    x = 41,822.04

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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.