Home / 50,499.54-75,750.59-20,909.43

Finding the Fourth Proportional to 50,499.54, 75,750.59 and 20,909.43

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Solution

The fourth proportional to 50,499.54, 75,750.59 and 20,909.43 is: 31,364.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,499.54 : 75,750.59 = 20,909.43 : x
  2. Step 2: Convert to fraction form
    50,499.54/75,750.59 = 20,909.43/x
  3. Step 3: Cross multiply
    50,499.54x = 75,750.59 × 20,909.43
  4. Step 4: Simplify right side
    50,499.54x = 1,583,901,711.34
  5. Step 5: Solve for x
    x = 1,583,901,711.34/50,499.54
  6. Step 6: Final answer
    x = 31,364.68

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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.