Home / 55,779.54-76,975.41-31,906.61

Finding the Fourth Proportional to 55,779.54, 76,975.41 and 31,906.61

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Solution

The fourth proportional to 55,779.54, 76,975.41 and 31,906.61 is: 44,030.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,779.54 : 76,975.41 = 31,906.61 : x
  2. Step 2: Convert to fraction form
    55,779.54/76,975.41 = 31,906.61/x
  3. Step 3: Cross multiply
    55,779.54x = 76,975.41 × 31,906.61
  4. Step 4: Simplify right side
    55,779.54x = 2,456,024,409.89
  5. Step 5: Solve for x
    x = 2,456,024,409.89/55,779.54
  6. Step 6: Final answer
    x = 44,030.92

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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.