Home / 49,093.86-73,641.11-20,990.25

Finding the Fourth Proportional to 49,093.86, 73,641.11 and 20,990.25

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Solution

The fourth proportional to 49,093.86, 73,641.11 and 20,990.25 is: 31,485.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,093.86 : 73,641.11 = 20,990.25 : x
  2. Step 2: Convert to fraction form
    49,093.86/73,641.11 = 20,990.25/x
  3. Step 3: Cross multiply
    49,093.86x = 73,641.11 × 20,990.25
  4. Step 4: Simplify right side
    49,093.86x = 1,545,745,204.23
  5. Step 5: Solve for x
    x = 1,545,745,204.23/49,093.86
  6. Step 6: Final answer
    x = 31,485.51

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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.