Home / 50,009.01-68,989.30-28,775.98

Finding the Fourth Proportional to 50,009.01, 68,989.30 and 28,775.98

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Solution

The fourth proportional to 50,009.01, 68,989.30 and 28,775.98 is: 39,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,009.01 : 68,989.30 = 28,775.98 : x
  2. Step 2: Convert to fraction form
    50,009.01/68,989.30 = 28,775.98/x
  3. Step 3: Cross multiply
    50,009.01x = 68,989.30 × 28,775.98
  4. Step 4: Simplify right side
    50,009.01x = 1,985,234,717.01
  5. Step 5: Solve for x
    x = 1,985,234,717.01/50,009.01
  6. Step 6: Final answer
    x = 39,697.54

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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.