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Finding the Fourth Proportional to 50,060, 75,060.84 and 21,978.92

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Solution

The fourth proportional to 50,060, 75,060.84 and 21,978.92 is: 32,955.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,060 : 75,060.84 = 21,978.92 : x
  2. Step 2: Convert to fraction form
    50,060/75,060.84 = 21,978.92/x
  3. Step 3: Cross multiply
    50,060x = 75,060.84 × 21,978.92
  4. Step 4: Simplify right side
    50,060x = 1,649,756,197.49
  5. Step 5: Solve for x
    x = 1,649,756,197.49/50,060
  6. Step 6: Final answer
    x = 32,955.58

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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.