Home / 49,007.57-73,479.76-20,945.93

Finding the Fourth Proportional to 49,007.57, 73,479.76 and 20,945.93

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Solution

The fourth proportional to 49,007.57, 73,479.76 and 20,945.93 is: 31,405.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,007.57 : 73,479.76 = 20,945.93 : x
  2. Step 2: Convert to fraction form
    49,007.57/73,479.76 = 20,945.93/x
  3. Step 3: Cross multiply
    49,007.57x = 73,479.76 × 20,945.93
  4. Step 4: Simplify right side
    49,007.57x = 1,539,101,489.61
  5. Step 5: Solve for x
    x = 1,539,101,489.61/49,007.57
  6. Step 6: Final answer
    x = 31,405.39

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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.