Home / 50,686.20-76,029.30-31,003.20

Finding the Fourth Proportional to 50,686.20, 76,029.30 and 31,003.20

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Solution

The fourth proportional to 50,686.20, 76,029.30 and 31,003.20 is: 46,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,686.20 : 76,029.30 = 31,003.20 : x
  2. Step 2: Convert to fraction form
    50,686.20/76,029.30 = 31,003.20/x
  3. Step 3: Cross multiply
    50,686.20x = 76,029.30 × 31,003.20
  4. Step 4: Simplify right side
    50,686.20x = 2,357,151,593.76
  5. Step 5: Solve for x
    x = 2,357,151,593.76/50,686.20
  6. Step 6: Final answer
    x = 46,504.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.