Home / 55,733.15-76,911.74-31,860.36

Finding the Fourth Proportional to 55,733.15, 76,911.74 and 31,860.36

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Solution

The fourth proportional to 55,733.15, 76,911.74 and 31,860.36 is: 43,967.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,733.15 : 76,911.74 = 31,860.36 : x
  2. Step 2: Convert to fraction form
    55,733.15/76,911.74 = 31,860.36/x
  3. Step 3: Cross multiply
    55,733.15x = 76,911.74 × 31,860.36
  4. Step 4: Simplify right side
    55,733.15x = 2,450,435,724.63
  5. Step 5: Solve for x
    x = 2,450,435,724.63/55,733.15
  6. Step 6: Final answer
    x = 43,967.29

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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.