Home / 55,076.86-75,999.90-31,198.42

Finding the Fourth Proportional to 55,076.86, 75,999.90 and 31,198.42

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Solution

The fourth proportional to 55,076.86, 75,999.90 and 31,198.42 is: 43,050.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,076.86 : 75,999.90 = 31,198.42 : x
  2. Step 2: Convert to fraction form
    55,076.86/75,999.90 = 31,198.42/x
  3. Step 3: Cross multiply
    55,076.86x = 75,999.90 × 31,198.42
  4. Step 4: Simplify right side
    55,076.86x = 2,371,076,800.16
  5. Step 5: Solve for x
    x = 2,371,076,800.16/55,076.86
  6. Step 6: Final answer
    x = 43,050.33

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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.