Home / 50,909.85-76,406.13-21,348.45

Finding the Fourth Proportional to 50,909.85, 76,406.13 and 21,348.45

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Solution

The fourth proportional to 50,909.85, 76,406.13 and 21,348.45 is: 32,040.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.85 : 76,406.13 = 21,348.45 : x
  2. Step 2: Convert to fraction form
    50,909.85/76,406.13 = 21,348.45/x
  3. Step 3: Cross multiply
    50,909.85x = 76,406.13 × 21,348.45
  4. Step 4: Simplify right side
    50,909.85x = 1,631,152,446.00
  5. Step 5: Solve for x
    x = 1,631,152,446.00/50,909.85
  6. Step 6: Final answer
    x = 32,040.02

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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.