Home / 50,707.98-76,007.22-21,117.84

Finding the Fourth Proportional to 50,707.98, 76,007.22 and 21,117.84

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Solution

The fourth proportional to 50,707.98, 76,007.22 and 21,117.84 is: 31,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,707.98 : 76,007.22 = 21,117.84 : x
  2. Step 2: Convert to fraction form
    50,707.98/76,007.22 = 21,117.84/x
  3. Step 3: Cross multiply
    50,707.98x = 76,007.22 × 21,117.84
  4. Step 4: Simplify right side
    50,707.98x = 1,605,108,310.80
  5. Step 5: Solve for x
    x = 1,605,108,310.80/50,707.98
  6. Step 6: Final answer
    x = 31,653.96

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1.5x scale

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.