Home / 50,140.48-75,193.44-20,549.92

Finding the Fourth Proportional to 50,140.48, 75,193.44 and 20,549.92

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Solution

The fourth proportional to 50,140.48, 75,193.44 and 20,549.92 is: 30,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,140.48 : 75,193.44 = 20,549.92 : x
  2. Step 2: Convert to fraction form
    50,140.48/75,193.44 = 20,549.92/x
  3. Step 3: Cross multiply
    50,140.48x = 75,193.44 × 20,549.92
  4. Step 4: Simplify right side
    50,140.48x = 1,545,219,176.52
  5. Step 5: Solve for x
    x = 1,545,219,176.52/50,140.48
  6. Step 6: Final answer
    x = 30,817.80

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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.