Home / 50,644.85-75,944.18-21,045.02

Finding the Fourth Proportional to 50,644.85, 75,944.18 and 21,045.02

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Solution

The fourth proportional to 50,644.85, 75,944.18 and 21,045.02 is: 31,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,644.85 : 75,944.18 = 21,045.02 : x
  2. Step 2: Convert to fraction form
    50,644.85/75,944.18 = 21,045.02/x
  3. Step 3: Cross multiply
    50,644.85x = 75,944.18 × 21,045.02
  4. Step 4: Simplify right side
    50,644.85x = 1,598,246,459.88
  5. Step 5: Solve for x
    x = 1,598,246,459.88/50,644.85
  6. Step 6: Final answer
    x = 31,557.93

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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.