Home / 50,723.84-70,023.36-31,871.36

Finding the Fourth Proportional to 50,723.84, 70,023.36 and 31,871.36

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Solution

The fourth proportional to 50,723.84, 70,023.36 and 31,871.36 is: 43,997.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,723.84 : 70,023.36 = 31,871.36 : x
  2. Step 2: Convert to fraction form
    50,723.84/70,023.36 = 31,871.36/x
  3. Step 3: Cross multiply
    50,723.84x = 70,023.36 × 31,871.36
  4. Step 4: Simplify right side
    50,723.84x = 2,231,739,714.97
  5. Step 5: Solve for x
    x = 2,231,739,714.97/50,723.84
  6. Step 6: Final answer
    x = 43,997.85

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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.