Home / 49,833-74,749.50-20,266.92

Finding the Fourth Proportional to 49,833, 74,749.50 and 20,266.92

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Solution

The fourth proportional to 49,833, 74,749.50 and 20,266.92 is: 30,400.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,833 : 74,749.50 = 20,266.92 : x
  2. Step 2: Convert to fraction form
    49,833/74,749.50 = 20,266.92/x
  3. Step 3: Cross multiply
    49,833x = 74,749.50 × 20,266.92
  4. Step 4: Simplify right side
    49,833x = 1,514,942,136.54
  5. Step 5: Solve for x
    x = 1,514,942,136.54/49,833
  6. Step 6: Final answer
    x = 30,400.38

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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.