Home / 45,121.93-67,608.92-31,950.66

Finding the Fourth Proportional to 45,121.93, 67,608.92 and 31,950.66

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Solution

The fourth proportional to 45,121.93, 67,608.92 and 31,950.66 is: 47,873.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,121.93 : 67,608.92 = 31,950.66 : x
  2. Step 2: Convert to fraction form
    45,121.93/67,608.92 = 31,950.66/x
  3. Step 3: Cross multiply
    45,121.93x = 67,608.92 × 31,950.66
  4. Step 4: Simplify right side
    45,121.93x = 2,160,149,118.09
  5. Step 5: Solve for x
    x = 2,160,149,118.09/45,121.93
  6. Step 6: Final answer
    x = 47,873.60

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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.