Home / 55,553.22-76,664.97-31,683.78

Finding the Fourth Proportional to 55,553.22, 76,664.97 and 31,683.78

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Solution

The fourth proportional to 55,553.22, 76,664.97 and 31,683.78 is: 43,724.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.22 : 76,664.97 = 31,683.78 : x
  2. Step 2: Convert to fraction form
    55,553.22/76,664.97 = 31,683.78/x
  3. Step 3: Cross multiply
    55,553.22x = 76,664.97 × 31,683.78
  4. Step 4: Simplify right side
    55,553.22x = 2,429,036,043.19
  5. Step 5: Solve for x
    x = 2,429,036,043.19/55,553.22
  6. Step 6: Final answer
    x = 43,724.49

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1.5x scale

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.