Home / 50,984.75-76,390.65-31,221.96

Finding the Fourth Proportional to 50,984.75, 76,390.65 and 31,221.96

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Solution

The fourth proportional to 50,984.75, 76,390.65 and 31,221.96 is: 46,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,984.75 : 76,390.65 = 31,221.96 : x
  2. Step 2: Convert to fraction form
    50,984.75/76,390.65 = 31,221.96/x
  3. Step 3: Cross multiply
    50,984.75x = 76,390.65 × 31,221.96
  4. Step 4: Simplify right side
    50,984.75x = 2,385,065,818.67
  5. Step 5: Solve for x
    x = 2,385,065,818.67/50,984.75
  6. Step 6: Final answer
    x = 46,779.99

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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.